diff --git a/frontend/src/pages/Bucket/BucketDetail/Comment/Comment.tsx b/frontend/src/pages/Bucket/BucketDetail/Comment/Comment.tsx
index ce1f523d..459f45b8 100644
--- a/frontend/src/pages/Bucket/BucketDetail/Comment/Comment.tsx
+++ b/frontend/src/pages/Bucket/BucketDetail/Comment/Comment.tsx
@@ -1,8 +1,10 @@
+import { ChangeEvent, MouseEvent, useState } from 'react'
 import UserProfile from '../../../../components/UserProfile'
 import { ICommentItem, TimeUnitType } from '../../../../interfaces'
 import ActiveLikeButton from './ActiveLikeButton'
 import ShowMoreButton from './ShowMoreButton'
 import UnActiveLikeButton from './UnActiveLikeButton'
+import { useDetailPageTypeStore } from '../../../../store/detailStore'
 
 const getTime = (time: number, timeUnit: TimeUnitType): string => {
 	switch (timeUnit) {
@@ -23,15 +25,56 @@ const getTime = (time: number, timeUnit: TimeUnitType): string => {
 
 interface ICommentProps {
 	commentInfo: ICommentItem
+	type: 'read' | 'edit'
+	setSelectedId: React.Dispatch<React.SetStateAction<number | null>>
 }
 
-const Comment = ({ commentInfo }: ICommentProps) => {
+const Comment = ({ commentInfo, type, setSelectedId }: ICommentProps) => {
+	const { setPageType } = useDetailPageTypeStore()
+	const [editText, setEditText] = useState('')
+
+	// handler about Comment
+	// Todo: handleChangeCommit으로 함수명 변경, edit 관련 함수가 너무 많아서 이름을 명시적으로 변경
+	const handleEditComment = (event: ChangeEvent<HTMLTextAreaElement>) => {
+		const inputText = event.currentTarget.value
+		setEditText(inputText)
+	}
+	// 이벤트 버블링을 이용한 이벤트 동작 수행
+	const handleClickComment = (event: MouseEvent<HTMLDivElement>) => {
+		const { id } = event.currentTarget.dataset
+		id && setSelectedId(parseInt(id))
+	}
+
+	// handler about ShowMoreButton
+	const handleCancelEdit = () => {
+		setEditText('')
+		setPageType('read')
+	}
+	const handleCompleteEdit = () => {
+		// Todo: 댓글 수정 Api 적용 예정
+		setPageType('read')
+	}
 	return (
-		<div className="relative flex flex-col">
+		<div onClick={handleClickComment} data-id={commentInfo.id} className="relative flex flex-col">
 			{/* //Todo: comment 유저로 정보 변경 필요 */}
 			<UserProfile type="comment" userInfo={commentInfo.writer} />
 			<p className="text-[10px] ml-11">{getTime(commentInfo.time, commentInfo.timeUnit)}</p>
-			<p className="text-xs ml-11">{commentInfo.context}</p>
+			{type === 'read' ? (
+				<p className="text-xs ml-11">{commentInfo.context}</p>
+			) : (
+				<div className="border-[1px] rounded-md border-gray ml-11 mr-7 mt-1 p-2">
+					<textarea
+						placeholder={commentInfo.context}
+						value={editText}
+						onChange={handleEditComment}
+						className="w-full text-sm resize-none focus:outline-none"
+					/>
+					<div className="flex justify-end gap-3 text-point1">
+						<button onClick={handleCancelEdit}>취소</button>
+						<button onClick={handleCompleteEdit}>완료</button>
+					</div>
+				</div>
+			)}
 
 			<ActiveLikeButton />
 			<UnActiveLikeButton />
diff --git a/frontend/src/pages/Bucket/BucketDetail/Comment/CommentList.tsx b/frontend/src/pages/Bucket/BucketDetail/Comment/CommentList.tsx
index a77a58cd..678362bf 100644
--- a/frontend/src/pages/Bucket/BucketDetail/Comment/CommentList.tsx
+++ b/frontend/src/pages/Bucket/BucketDetail/Comment/CommentList.tsx
@@ -1,7 +1,7 @@
 import Comment from './Comment'
 import { ICommentItem } from '../../../../interfaces'
-import { useEffect, useRef } from 'react'
-import { useCommentStore } from '../../../../store/detailStore'
+import { useEffect, useRef, useState } from 'react'
+import { useCommentStore, useDetailPageTypeStore } from '../../../../store/detailStore'
 
 const commentInfo = {
 	totalPages: 0,
@@ -28,7 +28,7 @@ const commentInfo = {
 			updatedDate: '2023-12-29 10:34',
 		},
 		{
-			id: 1,
+			id: 2,
 			context: '10만이 엊그제 같은데... 벌써 20만이라니...',
 			writer: {
 				userId: 1,
@@ -47,7 +47,7 @@ const commentInfo = {
 			updatedDate: '2023-12-29 10:34',
 		},
 		{
-			id: 1,
+			id: 3,
 			context: '10만이 엊그제 같은데... 벌써 20만이라니...',
 			writer: {
 				userId: 1,
@@ -97,6 +97,8 @@ interface ICommentListProps {
 // Todo : Api 데이터 타입 지정 후 as 삭제 예정
 const CommentList = ({ isInputFocused, setIsInputShown }: ICommentListProps) => {
 	const { commentText } = useCommentStore()
+	const { pageType } = useDetailPageTypeStore()
+	const [selectedId, setSelectedId] = useState<null | number>(null)
 	const targetRef = useRef<HTMLUListElement>(null)
 
 	// 전역 이벤트 핸들러에서 closure 때문에 최신 state 값을 못 가져오는 문제 해결을 위한 useEffect
@@ -129,8 +131,12 @@ const CommentList = ({ isInputFocused, setIsInputShown }: ICommentListProps) =>
 	return (
 		<ul ref={targetRef}>
 			{commentInfo.content.map((comment, index) => (
-				<li key={index}>
-					<Comment commentInfo={comment as ICommentItem} />
+				<li key={`comment-${index}`}>
+					<Comment
+						commentInfo={comment as ICommentItem}
+						type={comment.id === selectedId && pageType === 'editComment' ? 'edit' : 'read'}
+						setSelectedId={setSelectedId}
+					/>
 				</li>
 			))}
 		</ul>
diff --git a/frontend/src/pages/Bucket/BucketDetail/Comment/ShowMoreButton.tsx b/frontend/src/pages/Bucket/BucketDetail/Comment/ShowMoreButton.tsx
index d8ce2212..b1248e26 100644
--- a/frontend/src/pages/Bucket/BucketDetail/Comment/ShowMoreButton.tsx
+++ b/frontend/src/pages/Bucket/BucketDetail/Comment/ShowMoreButton.tsx
@@ -1,9 +1,12 @@
 import { Menu, Transition } from '@headlessui/react'
 import { AiOutlineMore } from 'react-icons/ai'
+import { useDetailPageTypeStore } from '../../../../store/detailStore'
 
 const ShowMoreButton = () => {
+	const { setPageType } = useDetailPageTypeStore()
+
 	const handleClickModifyButton = () => {
-		// Todo : 수정 모드로 변경
+		setPageType('editComment')
 	}
 	const handleClickDeleteButton = () => {
 		// Todo : 삭제 요청 Api 적용
diff --git a/frontend/src/pages/Bucket/BucketDetail/Reaction.tsx b/frontend/src/pages/Bucket/BucketDetail/Reaction.tsx
index eaddcd91..2a71bfa0 100644
--- a/frontend/src/pages/Bucket/BucketDetail/Reaction.tsx
+++ b/frontend/src/pages/Bucket/BucketDetail/Reaction.tsx
@@ -42,11 +42,11 @@ const Reaction = () => {
 	const getReactionIcon = (reactionType: ReactionType) => {
 		switch (reactionType) {
 			case '멋져요':
-				return <Cool className="mb-1 w-8 h-8" />
+				return <Cool className="w-8 h-8 mb-1" />
 			case '나도할래':
-				return <WantToDo className="mb-1 w-8 h-8" />
+				return <WantToDo className="w-8 h-8 mb-1" />
 			case '응원해요':
-				return <Underpin className="mb-1 w-8 h-8" />
+				return <Underpin className="w-8 h-8 mb-1" />
 		}
 	}
 
@@ -74,7 +74,7 @@ const Reaction = () => {
 							className={`${activeReaction === reaction && textColorClass[activeColor]} inline-flex flex-col items-center`}
 						>
 							{getReactionIcon(reaction as ReactionType)}
-							<p className="text-xs font-bold mb-2">{reaction}</p>
+							<p className="mb-2 text-xs font-bold">{reaction}</p>
 							<p className="text-sm font-bold">{reactionInfo[reaction as ReactionType] ?? 0}</p>
 						</li>
 					))}
diff --git a/frontend/src/store/detailStore.tsx b/frontend/src/store/detailStore.tsx
index 6913fe7a..4ce38458 100644
--- a/frontend/src/store/detailStore.tsx
+++ b/frontend/src/store/detailStore.tsx
@@ -14,3 +14,20 @@ export const useCommentStore = create<ICommentStore>()(
 		resetCommentText: () => set(() => ({ commentText: '' })),
 	}))
 )
+
+// 페이지가 현재 어떤 상태인지 나타내는 state
+// - 한 페이지(컴포넌트)에서 다양한 분기 처리(글 보기, 수정)을 처리하기 위해 사용
+// - 리뷰는 별도의 페이지로 이동하기 때문에 pageType에 넣어주지 않음
+interface IDetailPageTypeStore {
+	pageType: 'read' | 'editComment' | 'editBucket'
+	setPageType: (type: 'read' | 'editComment' | 'editBucket') => void
+	resetPageType: () => void
+}
+
+export const useDetailPageTypeStore = create<IDetailPageTypeStore>()(
+	devtools((set) => ({
+		pageType: 'read',
+		setPageType: (type: 'read' | 'editComment' | 'editBucket') => set(() => ({ pageType: type })),
+		resetPageType: () => set(() => ({ pageType: 'read' })),
+	}))
+)