diff --git a/main.ts b/main.ts
index aeb1b4a..310a633 100644
--- a/main.ts
+++ b/main.ts
@@ -9,6 +9,7 @@ import {VTBPublishManager} from "./src/layout/VTBPublishManager";
 
 export interface VaultToBlogSettings {
 	sourceDir: string;
+	indexFilePath: string;
 	repositoryUrl: string;
 	isActivated: boolean;
 	version: string;
@@ -19,6 +20,7 @@ export interface VaultToBlogSettings {
 
 const DEFAULT_SETTINGS: VaultToBlogSettings = {
 	sourceDir: '',
+	indexFilePath: '',
 	repositoryUrl: '',
 	isActivated: false,
 	version: '0.0.1',
@@ -117,4 +119,4 @@ export default class VaultToBlog extends Plugin {
 	async openPublishManager() {
 		new VTBPublishManager(this.app, this.gitUtils, this.paths, this.fileUtils).open()
 	}
-}
\ No newline at end of file
+}
diff --git a/react-app-internal/src/components/MarkdownContent.index.test.jsx b/react-app-internal/src/components/MarkdownContent.index.test.jsx
new file mode 100644
index 0000000..106fc69
--- /dev/null
+++ b/react-app-internal/src/components/MarkdownContent.index.test.jsx
@@ -0,0 +1,39 @@
+import {beforeEach, describe, expect, it, vi} from "vitest";
+import {render, waitFor} from "@testing-library/react";
+import {MemoryRouter, Route, Routes} from "react-router-dom";
+import {HelmetProvider} from "react-helmet-async";
+
+vi.mock('../stores/data.json', () => ({
+  default: {
+    indexFilePath: 'index.md',
+    isEnableComments: false,
+    repo: '',
+    theme: '',
+  }
+}));
+
+import MarkdownContent from "./MarkdownContent.jsx";
+
+describe('index file path 설정 시', () => {
+  beforeEach(() => {
+    global.fetch = vi.fn(() => Promise.resolve({
+      text: () => Promise.resolve('<div>index</div>')
+    }));
+  });
+
+  it('루트 경로 요청은 index.md html을 반환한다.', async () => {
+    render(
+      <MemoryRouter initialEntries={['/']}>
+        <HelmetProvider>
+          <Routes>
+            <Route path="*" element={<MarkdownContent/>}/>
+          </Routes>
+        </HelmetProvider>
+      </MemoryRouter>
+    );
+
+    await waitFor(() => {
+      expect(fetch).toHaveBeenCalledWith('/html/index.html');
+    });
+  });
+});
diff --git a/react-app-internal/src/components/MarkdownContent.jsx b/react-app-internal/src/components/MarkdownContent.jsx
index 6597eae..e3fca3b 100644
--- a/react-app-internal/src/components/MarkdownContent.jsx
+++ b/react-app-internal/src/components/MarkdownContent.jsx
@@ -5,18 +5,32 @@ import LoadingScreen from "./LoadingScreen.jsx";
 import {useEffect, useState} from "react";
 import {useParams} from "react-router-dom";
 import UtterancesComments from "./UtterancesComments.jsx";
+import {getIndexFilePath} from "../utils/file/fileUtils.js";
+
+export function resolveMarkdownFilePath(filePath, indexFilePath) {
+  if (filePath && filePath !== '') {
+    return filePath;
+  }
+  return indexFilePath || '';
+}
+
+function resolveTitle(filePath) {
+  return filePath ? filePath.split('/').pop().replace('.md', '') : 'Home';
+}
 
 function MarkdownContent() {
   const {'*': filePath} = useParams();
+  const indexFilePath = getIndexFilePath();
   const [innerHtml, setInnerHtml] = useState({});
   const [isLoading, setIsLoading] = useState(true)
   useEffect(() => {
     setIsLoading(true);
     const fetchHtml = async () => {
-      const path = filePath ? `/html/${filePath.replace('.md', '.html')}` : `/default/home.html`;
+      const resolvedFilePath = resolveMarkdownFilePath(filePath, indexFilePath);
+      const path = resolvedFilePath ? `/html/${resolvedFilePath.replace('.md', '.html')}` : `/default/home.html`;
       const response = await fetch(`${path}`);
       const content = await response.text();
-      const title = filePath.split('/').pop().replace('.md', '');
+      const title = resolveTitle(resolvedFilePath);
       const newInnerHtml = {
         title: title,
         content: content
@@ -25,7 +39,7 @@ function MarkdownContent() {
       setIsLoading(false);
     };
     fetchHtml()
-  }, [filePath]);
+  }, [filePath, indexFilePath]);
   useBacklinkNavigation(innerHtml.content);
   
   if (isLoading) {
@@ -40,9 +54,9 @@ function MarkdownContent() {
       <div className="markdown-preview-sizer markdown-preview-section"
            dangerouslySetInnerHTML={{__html: innerHtml.content}}>
       </div>
-      { filePath !== '' && <UtterancesComments /> }
+      { resolveMarkdownFilePath(filePath, indexFilePath) !== '' && <UtterancesComments /> }
     </>
   );
 }
 
-export default MarkdownContent;
\ No newline at end of file
+export default MarkdownContent;
diff --git a/react-app-internal/src/containers/WorkspaceContainer.test.jsx b/react-app-internal/src/containers/WorkspaceContainer.test.jsx
new file mode 100644
index 0000000..9296a1a
--- /dev/null
+++ b/react-app-internal/src/containers/WorkspaceContainer.test.jsx
@@ -0,0 +1,14 @@
+import {describe, expect, it} from "vitest";
+import {resolveEffectiveMarkdownPath, resolveTocHeaders} from "./WorkspaceContainer";
+
+describe('WorkspaceContainer helpers', () => {
+    it('홈 경로이고 index 파일이 있으면 index 파일 경로를 사용한다.', () => {
+        const resolved = resolveEffectiveMarkdownPath('', 'index.md');
+        expect(resolved).toBe('index.md');
+    });
+
+    it('toc 맵에 키가 없으면 빈 배열을 반환한다.', () => {
+        const headers = resolveTocHeaders({}, '', 'index.md');
+        expect(headers).toStrictEqual([]);
+    });
+});
diff --git a/react-app-internal/src/containers/WorkspaceContainer.tsx b/react-app-internal/src/containers/WorkspaceContainer.tsx
index 7d987af..c6b67d4 100644
--- a/react-app-internal/src/containers/WorkspaceContainer.tsx
+++ b/react-app-internal/src/containers/WorkspaceContainer.tsx
@@ -7,20 +7,37 @@ import FileExplorerTabHeader from "../components/sidebar/FileExplorerTabHeader";
 import {WorkspaceTabHeader} from "../components/tab-header/WorkspaceTabHeader";
 import {LucideList} from "lucide-react";
 import {useParams} from "react-router-dom";
-import {getTocMap} from "../utils/file/fileUtils";
+import {getIndexFilePath, getTocMap} from "../utils/file/fileUtils";
 import {TocHeaders} from "../components/tab-header/TocHeaders";
 import {SidebarRightToggleSvg} from "../components/svg/SidebarRightToggleSvg";
 import {SidebarToggleButton} from "../components/SidebarToggleButton";
 import {SidebarLeftToggleSvg} from "../components/svg/SidebarLeftToggleSvg";
 import {HeaderOfToc} from "../types/HeaderOfToc";
 
+export function resolveEffectiveMarkdownPath(filePath: string | undefined, indexFilePath: string): string {
+    if (filePath && filePath !== '') {
+        return filePath;
+    }
+    return indexFilePath || '';
+}
+
+export function resolveTocHeaders(
+    tocMap: {[key: string]: HeaderOfToc},
+    filePath: string | undefined,
+    indexFilePath: string,
+): HeaderOfToc[] {
+    const resolvedPath = resolveEffectiveMarkdownPath(filePath, indexFilePath);
+    const tocOfFile = tocMap[resolvedPath];
+    return tocOfFile?.children ?? [];
+}
+
 const leftSideDockOpenedClassName = 'is-left-sidedock-open';
 const rightSideDockOpenedClassName = 'is-right-sidedock-open';
 
 export function WorkspaceContainer({children}: {children: ReactNode}) {
     const {'*': filePath } = useParams();
-    const tocMap: {[key: string]: HeaderOfToc} = getTocMap();
-    const tocOfFile: HeaderOfToc = tocMap[filePath ?? ''];
+    const tocMap = getTocMap() as {[key: string]: HeaderOfToc};
+    const tocHeaders = resolveTocHeaders(tocMap, filePath, getIndexFilePath());
 
     const [isMobile, setIsMobile] = useState(false);
     useEffect(() => {
@@ -152,7 +169,7 @@ export function WorkspaceContainer({children}: {children: ReactNode}) {
                             <div className="workspace-leaf-content" data-type={'outline'}>
 
                                 <div className="view-content node-insert-event" style={{position: 'relative'}}>
-                                    <TocHeaders headers={tocOfFile.children}/>
+                                    <TocHeaders headers={tocHeaders}/>
                                 </div>
                             </div>
                         </div>
@@ -161,4 +178,4 @@ export function WorkspaceContainer({children}: {children: ReactNode}) {
             </WorkspaceSplitContainer>
         </div>
     )
-}
\ No newline at end of file
+}
diff --git a/react-app-internal/src/stores/data.json b/react-app-internal/src/stores/data.json
index 9e26dfe..d934562 100644
--- a/react-app-internal/src/stores/data.json
+++ b/react-app-internal/src/stores/data.json
@@ -1 +1,10 @@
-{}
\ No newline at end of file
+{
+  "sourceDir": "",
+  "indexFilePath": "",
+  "repositoryUrl": "",
+  "isActivated": false,
+  "version": "",
+  "isEnableComments": false,
+  "repo": "",
+  "theme": ""
+}
diff --git a/react-app-internal/src/utils/file/fileUtils.js b/react-app-internal/src/utils/file/fileUtils.js
index 5cec6fa..9b89452 100644
--- a/react-app-internal/src/utils/file/fileUtils.js
+++ b/react-app-internal/src/utils/file/fileUtils.js
@@ -1,6 +1,7 @@
 import fs from "fs";
 import path from "path";
 import mime from "mime";
+import data from "../../stores/data.json";
 
 const sourceDir = 'public/sources';
 const imageJsonFilePath = 'image-files.json';
@@ -97,6 +98,29 @@ export function getMarkdownFileMap() {
   return markdownFileMap;
 }
 
+export function normalizeIndexFilePath(indexFilePath, sourceDir) {
+  if (!indexFilePath) {
+    return '';
+  }
+
+  const normalizedIndexPath = indexFilePath.normalize('NFC');
+  if (!sourceDir) {
+    return normalizedIndexPath;
+  }
+
+  const normalizedSourceDir = sourceDir.normalize('NFC').replace(/^\/+|\/+$/g, '');
+  const sourcePrefix = `${normalizedSourceDir}/`;
+  if (normalizedIndexPath.startsWith(sourcePrefix)) {
+    return normalizedIndexPath.substring(sourcePrefix.length);
+  }
+
+  return normalizedIndexPath;
+}
+
+export function getIndexFilePath() {
+  return normalizeIndexFilePath(data.indexFilePath || '', data.sourceDir || '');
+}
+
 let markdownFileSet = null;
 export function getMarkdownFileSet() {
   if (!markdownFileSet) {
@@ -141,4 +165,4 @@ export function initSourceDirectory() {
   if (!fs.existsSync(sourceDir)) {
     fs.mkdirSync(sourceDir, { recursive: true });
   }
-}
\ No newline at end of file
+}
diff --git a/react-app-internal/src/utils/file/fileUtils.test.js b/react-app-internal/src/utils/file/fileUtils.test.js
index 5279919..b3c1c68 100644
--- a/react-app-internal/src/utils/file/fileUtils.test.js
+++ b/react-app-internal/src/utils/file/fileUtils.test.js
@@ -3,9 +3,11 @@ import {
   createFileMapToJson,
   createImageMapToJson,
   getImageFileMap,
+  getIndexFilePath,
   getMarkdownFileMap,
   initImageFileMap,
   initMarkdownFileMap,
+  normalizeIndexFilePath,
 } from "./fileUtils.js";
 import fs from "fs";
 
@@ -310,4 +312,20 @@ describe('파일 셋 조회 요청 시', () => {
     expect(cachedSet).not.toStrictEqual(expectedFileSet);
     expect(cachedSet).toStrictEqual(initSet);
   });
-});
\ No newline at end of file
+});
+
+describe('index 파일 경로 정규화 요청 시', () => {
+  it('sourceDir를 포함한 index 경로를 source 기준 상대 경로로 정규화한다.', () => {
+    const normalized = normalizeIndexFilePath('!new-blog/index.md', '!new-blog');
+    expect(normalized).toBe('index.md');
+  });
+
+  it('이미 source 기준 상대 경로면 그대로 반환한다.', () => {
+    const normalized = normalizeIndexFilePath('index.md', '!new-blog');
+    expect(normalized).toBe('index.md');
+  });
+
+  it('설정 데이터에 index 경로가 없으면 빈 값을 반환한다.', () => {
+    expect(getIndexFilePath()).toBe('');
+  });
+});
diff --git a/react-app-internal/src/utils/treeUtils.jsx b/react-app-internal/src/utils/treeUtils.jsx
index 5be8f9b..d8e974b 100644
--- a/react-app-internal/src/utils/treeUtils.jsx
+++ b/react-app-internal/src/utils/treeUtils.jsx
@@ -1,5 +1,5 @@
 import React from 'react'
-import {getMarkdownFileSet} from "./file/fileUtils.js";
+import {getIndexFilePath, getMarkdownFileSet} from "./file/fileUtils.js";
 import TreeItem from "../components/TreeItem.jsx";
 
 const calculateCounts = (node) => {
@@ -39,8 +39,12 @@ const buildTree = (paths) => {
   return tree;
 };
 
-export const initTree =  () => {
+export const initTree = (indexMarkdownPath = getIndexFilePath()) => {
   const fileSet = getMarkdownFileSet();
+  const indexFilePath = indexMarkdownPath.normalize('NFC');
+  if (indexFilePath) {
+    fileSet.delete(indexFilePath);
+  }
   return buildTree(fileSet)
 }
 
@@ -84,4 +88,4 @@ export const markUsedPaths = (path = location.pathname) => {
     return usedPaths
   }
   return usedPaths
-}
\ No newline at end of file
+}
diff --git a/react-app-internal/src/utils/treeUtils.test.jsx b/react-app-internal/src/utils/treeUtils.test.jsx
index 376b2c6..80f3162 100644
--- a/react-app-internal/src/utils/treeUtils.test.jsx
+++ b/react-app-internal/src/utils/treeUtils.test.jsx
@@ -8,7 +8,8 @@ let expectedTree;
 beforeAll(() => {
   vi.mock('./file/fileUtils.js', () => {
     return {
-      getMarkdownFileSet: () => fileSet
+      getMarkdownFileSet: () => fileSet,
+      getIndexFilePath: () => ''
     }
   })
   vi.mock('../components/TreeItem', () => ({
@@ -100,6 +101,26 @@ describe('initTree 호출 시', () => {
     expect(tree.count).toBe(fileSet.size);
     expect(tree).toStrictEqual(expectedTree)
   });
+
+	it('index 파일 경로가 전달되면 해당 파일은 트리에서 제외한다.', () => {
+		fileSet = new Set(['index.md', 'posts/post-1.md']);
+		expectedTree = {
+			children: {
+				posts: {
+					children: {
+						'post-1.md': {children: {}, count: 1, isFile: true},
+					},
+					count: 1,
+					isFile: false,
+				},
+			},
+			count: 1,
+		};
+
+		const tree = initTree('index.md');
+		expect(tree.count).toBe(1);
+		expect(tree).toStrictEqual(expectedTree);
+	});
 });
 
 describe('renderTree 호출 시', () => {
@@ -197,4 +218,4 @@ describe('markUsedPaths 호출 시', () => {
     const result = markUsedPaths(path);
     expect(result).toStrictEqual(expectedObject)
   });
-});
\ No newline at end of file
+});
diff --git a/src/layout/settingTab.ts b/src/layout/settingTab.ts
index 367281b..f9ad500 100644
--- a/src/layout/settingTab.ts
+++ b/src/layout/settingTab.ts
@@ -1,9 +1,10 @@
-import {App, normalizePath, Notice, PluginSettingTab, Setting, TFolder} from "obsidian";
+import {App, normalizePath, Notice, PluginSettingTab, Setting, TFile, TFolder} from "obsidian";
 import VTBPlugin, {VaultToBlogSettings} from "../../main";
 import {Paths} from "../store/paths";
 import {GitUtils} from "../utils/gitUtils";
 import {FileUtils} from "../utils/fileUtils";
 import {FolderSuggester} from "../suggester/FolderSuggester";
+import {MarkdownFileSuggester} from "../suggester/MarkdownFileSuggester";
 
 export class VTBSettingTab extends PluginSettingTab {
 	plugin: VTBPlugin;
@@ -28,6 +29,7 @@ export class VTBSettingTab extends PluginSettingTab {
 
 		const propertiesContainer = containerEl.createDiv()
 		this.createSourceDirSetting(propertiesContainer)
+		this.createIndexFileSetting(propertiesContainer)
 		this.createRepositoryUrlSetting(propertiesContainer);
 		containerEl.append(propertiesContainer)
 
@@ -69,6 +71,9 @@ export class VTBSettingTab extends PluginSettingTab {
 		}
 
 		this.settings.sourceDir = inputEl?.value;
+		if (this.settings.indexFilePath && !this.isValidIndexFile(this.settings.indexFilePath)) {
+			this.settings.indexFilePath = '';
+		}
 		await this.deactivate();
 		this.display()
 		new Notice('Setting saved.');
@@ -80,6 +85,73 @@ export class VTBSettingTab extends PluginSettingTab {
 		return directories.includes(sourceDir);
 	}
 
+	private createIndexFileSetting(containerEl: HTMLElement) {
+		let inputEl: HTMLInputElement;
+		let isSaveDisabled = false;
+		const desc = new DocumentFragment();
+		desc.createDiv({text: 'Select an index.md file to use as homepage.'});
+		desc.createDiv({text: 'This file must be under Source Dir and will be hidden from the left sidebar.', cls: 'vtb-warning'});
+		if (!this.settings.sourceDir) {
+			desc.createDiv({text: 'Select Source Dir first.', cls: 'vtb-warning'});
+			isSaveDisabled = true;
+		}
+		const setting = new Setting(containerEl)
+			.setName('Index File')
+			.setDesc(desc)
+			.setTooltip('Select an index markdown file under Source Dir. Leave empty to use default home.html.')
+			.addSearch((cb) => {
+				inputEl = cb.inputEl;
+				new MarkdownFileSuggester(this.app, inputEl, this.settings.sourceDir);
+				cb.setPlaceholder('Enter an index markdown file path');
+				cb.setValue(this.settings.indexFilePath);
+				cb.setDisabled(isSaveDisabled);
+			})
+			.addButton((cb) => {
+				cb.setButtonText('Save');
+				cb.setDisabled(isSaveDisabled);
+				cb.onClick(() => this.saveIndexFileSetting(inputEl));
+			});
+		this.addDefaultSettingClass(setting)
+		containerEl.createDiv({cls: 'vtb-current-value', text: 'Index File : ' + (this.settings.indexFilePath || '(default home.html)')});
+	}
+
+	private async saveIndexFileSetting(inputEl: HTMLInputElement) {
+		if (!this.settings.sourceDir) {
+			new Notice('Source Dir must be selected first.', 3000)
+			return;
+		}
+
+		const selectedPath = normalizePath(inputEl?.value ?? '');
+		if (selectedPath !== '' && !this.isValidIndexFile(selectedPath)) {
+			new Notice('Invalid index markdown file path.', 3000)
+			inputEl.value = this.settings.indexFilePath;
+			return;
+		}
+
+		this.settings.indexFilePath = selectedPath;
+		await this.deactivate();
+		this.display();
+		new Notice('Setting saved.');
+	}
+
+	private isValidIndexFile(indexFilePath: string) {
+		if (!indexFilePath.endsWith('.md')) {
+			return false;
+		}
+
+		const markdownFiles = this.app.vault.getMarkdownFiles()
+			.map((it: TFile) => normalizePath(it.path));
+		if (!markdownFiles.includes(indexFilePath)) {
+			return false;
+		}
+
+		if (!this.settings.sourceDir) {
+			return false;
+		}
+
+		return indexFilePath.startsWith(`${this.settings.sourceDir}/`);
+	}
+
 	private addDefaultSettingClass(setting: Setting) {
 		setting.settingEl.addClass('vtb-setting')
 		setting.controlEl.addClass('vtb-control')
diff --git a/src/suggester/MarkdownFileSuggester.ts b/src/suggester/MarkdownFileSuggester.ts
new file mode 100644
index 0000000..ae54dd9
--- /dev/null
+++ b/src/suggester/MarkdownFileSuggester.ts
@@ -0,0 +1,26 @@
+import {AbstractInputSuggest, App, normalizePath, TFile} from "obsidian";
+
+export class MarkdownFileSuggester extends AbstractInputSuggest<string> {
+	private readonly sourceDir: string;
+
+	constructor(app: App, inputEl: HTMLInputElement, sourceDir: string) {
+		super(app, inputEl);
+		this.sourceDir = sourceDir;
+	}
+
+	getSuggestions(query: string): string[] | Promise<string[]> {
+		return this.app.vault.getMarkdownFiles()
+			.map((it: TFile) => normalizePath(it.path))
+			.filter((it) => it.startsWith(`${this.sourceDir}/`))
+			.filter((it) => it.contains(query));
+	}
+
+	renderSuggestion(value: string, el: HTMLElement): void {
+		el.setText(value);
+	}
+
+	selectSuggestion(value: string): void {
+		this.setValue(value);
+		this.close();
+	}
+}