diff --git a/src/ui/component/popover/schedule/ParticipantPopover.tsx b/src/ui/component/popover/schedule/ParticipantPopover.tsx
index 838b85a..192f44e 100644
--- a/src/ui/component/popover/schedule/ParticipantPopover.tsx
+++ b/src/ui/component/popover/schedule/ParticipantPopover.tsx
@@ -2,11 +2,9 @@ import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
 import { ScrollArea } from "@/components/ui/scroll-area";
-import { Textarea } from "@/components/ui/textarea";
 import { cn } from "@/lib/utils";
-import * as Mention from '@diceui/mention';
-import { AtSign, PlusIcon, SearchIcon } from "lucide-react";
-import { useRef, useState } from "react";
+import { CircleSmall, PlusIcon, SearchIcon } from "lucide-react";
+import { useEffect, useState } from "react";
 
 const dummyUser = [
   {
@@ -27,9 +25,34 @@ const dummyUser = [
   }
 ]
 
-export const ParticipantPopover = () => {
+interface ParticipantPopoverProps {
+  participantList: string[];
+  setParticipantList: (list: string[]) => void;
+}
+
+export const ParticipantPopover = ({ participantList, setParticipantList }: ParticipantPopoverProps) => {
   const [open, setOpen] = useState(false);
   const [filterString, setFilterString] = useState('');
+  const [userList, setUserList] = useState(dummyUser);
+  const [tempList, setTempList] = useState(participantList);
+  const updateTempList = (accountId: string) => {
+    if (tempList.includes(accountId)) {
+      setTempList(tempList.filter((id) => id !== accountId));
+    } else {
+      setTempList([...tempList, accountId]);
+    }
+  }
+  const applyList = () => {
+    setParticipantList(tempList);
+    setOpen(false);
+  }
+
+  const cancelList = () => {
+    setOpen(false);
+    setTimeout(() => {
+      setTempList(participantList);
+    }, 150);
+  }
 
   return (
     <div className="w-full h-10 flex flex-row justify-start items-center">
@@ -55,6 +78,8 @@ export const ParticipantPopover = () => {
           </Button>
         </PopoverTrigger>
         <PopoverContent
+          align="end"
+          side="right"
           className="py-0 px-0 w-60 h-80 flex flex-col justify-start items-start"
         >
           <div
@@ -64,16 +89,53 @@ export const ParticipantPopover = () => {
             <Input
               placeholder="검색"
               value={filterString}
+              onChange={(value) => setFilterString(value.target.value)}
               className="shadow-none placeholder-indigo-300! focus-visible:placeholder-indigo-400! flex-1 focus-visible:ring-0 focus-visible:border-0 border-0"
             />
           </div>
           <ScrollArea
             className="w-full h-60 flex flex-col"
           >
-
+            {
+              userList.filter((user) => user.accountId.includes(filterString)).map((user, idx) => (
+                <div
+                  className={cn(
+                    "w-full h-10 flex flex-row items-center",
+                    "hover:bg-indigo-50",
+                    (idx !== dummyUser.length - 1)
+                    ? "border-b border-b-indigo-100"
+                    : null
+                  )}
+                  onClick={() => updateTempList(user.accountId)}
+                >
+                  <div
+                    className="flex-11 flex flex-col"
+                  >
+                    <div className="pl-2 flex-1 text-sm align-middle">
+                      {user.name}
+                    </div>
+                    <div className="pl-2 flex-1 text-[10px] text-gray-400 align-middle">
+                      @{user.accountId}
+                    </div>
+                  </div>
+                  <div
+                    className="flex-1 flex items-center justify-center pr-2"
+                  >
+                    <div className={cn(
+                      "w-5 h-5 rounded-full bg-gray-100 flex justify-center items-center",
+                      !tempList.includes(user.accountId)
+                      ? "border-gray-200 border"
+                      : "border-indigo-300 border-2"
+                    )}>
+                      { tempList.includes(user.accountId) && <div className="w-2.5 h-2.5 rounded-full bg-indigo-300" />}
+                    </div>
+                  </div>
+                </div>
+              ))
+            }
           </ScrollArea>
           <div
-            className="border-t border-t-indigo-300 w-full h-10 flex flex-row cursor-default"
+            className="border-t border-t-indigo-100 w-full h-10 flex flex-row cursor-default"
           >
             <div
               className={cn(
@@ -81,6 +143,7 @@ export const ParticipantPopover = () => {
                 "bg-white text-indigo-300",
                 "hover:bg-indigo-300 hover:text-white"
               )}
+              onClick={applyList}
             >
               확인
             </div>
@@ -90,6 +153,7 @@ export const ParticipantPopover = () => {
                 "bg-white text-red-400",
                 "hover:bg-red-400 hover:text-white"
               )}
+              onClick={cancelList}
             >
               취소
             </div>
diff --git a/src/ui/component/popover/schedule/SchedulePopover.tsx b/src/ui/component/popover/schedule/SchedulePopover.tsx
index c7ebc3e..700454d 100644
--- a/src/ui/component/popover/schedule/SchedulePopover.tsx
+++ b/src/ui/component/popover/schedule/SchedulePopover.tsx
@@ -1,26 +1,9 @@
-import { Popover, PopoverContent, PopoverTrigger } from '@/components/ui/popover';
+import { PopoverContent } from '@/components/ui/popover';
 import { ScrollArea } from '@/components/ui/scroll-area';
 import { cn } from '@/lib/utils';
-import { useEffect, useState } from 'react';
-import { usePalette } from '@/hooks/use-palette';
-import { type ColorPaletteType } from '@/const/ColorPalette';
-import { ColorPickPopover } from './ColorPickPopover';
-import { Input } from '@/components/ui/input';
-import { Controller, useForm } from 'react-hook-form';
-import * as z from 'zod';
-import { CreateScheduleSchema } from '@/data/form/createSchedule.schema';
-import { zodResolver } from '@hookform/resolvers/zod';
-import { Field, FieldError } from '@/components/ui/field';
-import { PenSquare, X } from 'lucide-react';
-import { ScheduleTypeLabel, type ScheduleType } from '@/const/schedule/ScheduleType';
-import { useRecord } from '@/hooks/use-record';
-import { TypePickPopover } from './TypePickPopover';
-import { ScheduleDay } from '@/const/schedule/ScheduleDay';
-import { ToggleGroup, ToggleGroupItem } from '@/components/ui/toggle-group';
-import { DatePickPopover } from './DatePickPopover';
-import { format } from 'date-fns';
-import { TimePickPopover } from './TimePickPopover';
-import { useTime } from '@/hooks/use-time';
+import { useState } from 'react';
+import { PenSquare } from 'lucide-react';
+
 import { ScheduleCreateContent } from './content/ScheduleCreateContent';
 
 interface ScheduleSheetProps {
diff --git a/src/ui/component/popover/schedule/content/ScheduleCreateContent.tsx b/src/ui/component/popover/schedule/content/ScheduleCreateContent.tsx
index fc14b0d..4475223 100644
--- a/src/ui/component/popover/schedule/content/ScheduleCreateContent.tsx
+++ b/src/ui/component/popover/schedule/content/ScheduleCreateContent.tsx
@@ -64,7 +64,8 @@ export const ScheduleCreateContent = ({ date, open, setMode, popoverSide, popove
     type,
     status,
     style,
-    dayList
+    dayList,
+    participantList
   } = createScheduleForm.watch();
   
     const selectColor = (color: ColorPaletteType) => {
@@ -239,7 +240,10 @@ export const ScheduleCreateContent = ({ date, open, setMode, popoverSide, popove
           />
         )}
       />
-      <ParticipantPopover />
+      <ParticipantPopover
+        participantList={participantList}
+        setParticipantList={selectParticipant}
+      />
     </div>
   )