diff --git a/fe/src/page/MarkdownEditor.tsx b/fe/src/page/MarkdownEditor.tsx
index b02a3aa2..e983d2c1 100644
--- a/fe/src/page/MarkdownEditor.tsx
+++ b/fe/src/page/MarkdownEditor.tsx
@@ -1,57 +1,98 @@
-import React, { useState } from 'react';
+import { ChangeEvent, useEffect, useState } from 'react';
 import ReactMarkdown from 'react-markdown';
 import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter';
 import { solarizedlight } from 'react-syntax-highlighter/dist/esm/styles/prism';
 
 const MarkdownEditor = () => {
-  const [markdown, setMarkdown] = useState(`# 예시입니다
-  \`\`\`javascript
-  const hello = "안녕";
-  console.log(hello);
-  \`\`\`
-  `);
-  const [selectedLine, setSelectedLine] = useState(null);
+  const [markdown, setMarkdown] = useState('');
+  const [reviewMarkdown, setReviewMarkdown] = useState('');
+  const [selectedLine, setSelectedLine] = useState(-1);
   const [editorContent, setEditorContent] = useState('');
+  // const [reviewEditorContent, setReviewEditorContent] = useState('');
+  const [originLines, setOriginLines] = useState<string[]>([]);
+  // const [changedLines, setChangedLines] = useState<number[]>([]);
+  const [isCodeRivew, setIsCodeReview] = useState(false);
 
-  const handleLineClick = (lineNumber) => {
+  const handleLineClick = (lineNumber: number) => {
     console.log(`Clicked on line ${lineNumber}`);
+
+    // 현재 Markdown 텍스트에서 코드 블록을 추출하고 각 라인을 배열로 저장
     const codeBlock = markdown.split('```')[1].trim();
-    const lines = codeBlock.split('\n');
+    setOriginLines(codeBlock.split('\n'));
+
+    // 선택된 라인 번호를 상태에 저장하여 나중에 사용할 수 있도록 함
     setSelectedLine(lineNumber);
-    setEditorContent(lines[lineNumber]);
+
+    // 코드 라인을 클릭하면 code_review div를 보이도록 설정
+    setIsCodeReview(true);
   };
 
+  useEffect(() => {
+    // selectedLine, originLines중 하나라도 변경될 때마다 실행
+    if (selectedLine !== -1) {
+      // 현재 선택된 라인에 해당하는 내용을 originLines 배열에서 가져와 editorContent 상태를 업데이트
+      setEditorContent(originLines[selectedLine]);
+    }
+  }, [selectedLine, originLines]);
+
+  // 에디터를 닫을 때 선택라인을 초기화
   const handleEditorClose = () => {
-    setSelectedLine(null);
+    setSelectedLine(-1);
+    // 에디터를 닫을 때 code_review div를 숨기도록 설정
+    setIsCodeReview(false);
   };
 
-  const handleEditorChange = (e) => {
+  // 에디터 콘텐츠를 현재 에디터의 내용으로 업데이트
+  const handleEditorChange = (e: ChangeEvent<HTMLTextAreaElement>) => {
     setEditorContent(e.target.value);
+    // 리뷰 에디터 업데이트하기
+    // setReviewEditorContent(e.target.value);
   };
 
   const handleEditorSave = () => {
+    if (selectedLine === -1) return;
+    // 기존 코드 블록의 시작과 끝 위치를 찾음
     const codeBlockStart = markdown.indexOf('```');
     const codeBlockEnd = markdown.lastIndexOf('```');
+    // 코드 블록 앞과 뒤의 내용을 추출
     const start = markdown.substring(0, codeBlockStart + 3);
     const end = markdown.substring(codeBlockEnd);
-
+    // 코드 블록을 줄별로 분리하여 배열로 만듦
     const lines = editorContent.split('\n');
-    const updatedCodeBlock = lines.map((line) => `  ${line}`).join('\n');
-    console.log(lines, updatedCodeBlock);
+    // 각 줄을 문자열로 가공
+    const updatedCodeBlock = lines.map((line) => `${line}`).join('\n');
+    // 기존 코드내용 복사하여, 수정된 코드 블록으로 업데이트
+    const copiedLines = [...originLines];
+    copiedLines[selectedLine] = updatedCodeBlock;
+
+    const reviewCodeBlock = '```' + `${copiedLines.join('\n')}\n` + '```';
+    // 기존 Markdown의 코드 블록 부분을 수정된 내용으로 업데이트
+    console.log(reviewCodeBlock);
+
+    setReviewMarkdown(reviewCodeBlock);
 
-    setMarkdown(`${start}\n${updatedCodeBlock}\n${end}`);
     handleEditorClose();
   };
 
   return (
     <div>
       <textarea
+        id="origin-editor"
         value={markdown}
         onChange={(e) => setMarkdown(e.target.value)}
         rows={10}
-        style={{ width: '100%' }}
+        style={{ width: '900px', height: '250px' }}
+        placeholder="사용자가 질문 작성시 사용할 입력창입니다"
       />
-      <div>
+      <textarea
+        id="review-editor"
+        value={reviewMarkdown}
+        onChange={(e) => setReviewMarkdown(e.target.value)}
+        rows={10}
+        style={{ width: '900px', height: '250px', display: 'none' }}
+        placeholder="나중에 사라질 녀석입니다"
+      />
+      <div id="origin_code" style={{ width: '900px' }}>
         <ReactMarkdown
           components={{
             code: ({ node, inline, className, children, ...props }) => {
@@ -61,7 +102,7 @@ const MarkdownEditor = () => {
                   style={solarizedlight}
                   language={match[1]}
                   PreTag="div"
-                  children={String(children).replace(/\n$/, '')}
+                  children={children.replace(/\n$/, '')}
                   showLineNumbers
                   wrapLines
                   lineProps={(lineNumber) => ({
@@ -76,7 +117,7 @@ const MarkdownEditor = () => {
                 />
               ) : (
                 <code className={className} {...props}>
-                  {children}
+                  {markdown}
                 </code>
               );
             },
@@ -85,20 +126,52 @@ const MarkdownEditor = () => {
           {markdown}
         </ReactMarkdown>
       </div>
-      {selectedLine !== null && (
+
+      <div id="review_code" style={{ width: '900px' }}>
+        <ReactMarkdown
+          components={{
+            code: ({ node, inline, className, children, ...props }) => {
+              const match = /language-(\w+)/.exec(className || '');
+              if (!inline && match) {
+                return (
+                  <SyntaxHighlighter
+                    style={solarizedlight}
+                    language={match[1]}
+                    PreTag="div"
+                    children={String(children).replace(/\n$/, '')}
+                    showLineNumbers
+                    wrapLines
+                    lineProps={(lineNumber) => ({})}
+                  />
+                );
+              }
+              return (
+                <code className={className} {...props}>
+                  {children}
+                </code>
+              );
+            },
+          }}
+        >
+          {reviewMarkdown}
+        </ReactMarkdown>
+      </div>
+      {selectedLine && isCodeRivew !== null && (
         <div>
           <h4>Selected Line Editor</h4>
-          <button onClick={handleEditorClose}>Close Editor</button>
+
           <textarea
             value={editorContent}
             onChange={handleEditorChange}
             rows={3}
-            style={{ width: '100%' }}
+            style={{ width: '900px', height: '250px', display: 'block' }}
           />
-          <button onClick={handleEditorSave}>Save Changes</button>
-          <div>
-            <ReactMarkdown>{editorContent}</ReactMarkdown>
-          </div>
+          <button onClick={handleEditorClose} style={{ width: '70px', padding: '5px' }}>
+            닫기
+          </button>
+          <button onClick={handleEditorSave} style={{ width: '70px', padding: '5px' }}>
+            저장하기
+          </button>
         </div>
       )}
     </div>
diff --git a/fe/src/routes/router.tsx b/fe/src/routes/router.tsx
index e2823686..d6cf0b41 100644
--- a/fe/src/routes/router.tsx
+++ b/fe/src/routes/router.tsx
@@ -7,6 +7,7 @@ import GridTemplate from '@components/layout/GridTemplate';
 import Main from '@page/Main';
 import RegisterEmail from '@page/RegisterEmail';
 import AccountLinking from '@page/AccountLinking';
+import MarkdownEditor from '@page/MarkdownEditor';
 
 const Router = () => {
   return (
@@ -37,6 +38,7 @@ const Router = () => {
       {/* 나중에 Common 안에 넣어주기 */}
       <Route path="/registeremail" element={<RegisterEmail />} />
       <Route path="/accountlinking" element={<AccountLinking />} />
+      <Route path="/MarkdownEditor" element={<MarkdownEditor />} />
     </Routes>
   );
 };