diff --git a/packages/frontend/src/pages/settings/avatar-decoration.vue b/packages/frontend/src/pages/settings/avatar-decoration.vue
index 02d5dac8c2..df479cae51 100644
--- a/packages/frontend/src/pages/settings/avatar-decoration.vue
+++ b/packages/frontend/src/pages/settings/avatar-decoration.vue
@@ -28,7 +28,16 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 			<MkButton danger @click="detachAllDecorations">{{ i18n.ts.detachAll }}</MkButton>
 		</div>
-
+		<MkInput v-model="q" :placeholder="i18n.ts.search"/>
+		<div v-if="searchResult.length > 0" :class="$style.decorations">
+			<span> {{ i18n.ts.searchResult }}</span><br>
+			<XDecoration
+				v-for="avatarDecoration in searchResult"
+				:key="avatarDecoration.name"
+				:decoration="avatarDecoration"
+				@click="openDecoration(avatarDecoration)"
+			/>
+		</div>
 		<div v-for="category in categories">
 			<MkFoldableSection :defaultOpen="false">
 				<template #header> {{ (category !== '') ? category : i18n.ts.other }}</template>
@@ -51,7 +60,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { ref, defineAsyncComponent, computed } from 'vue';
+import { ref, defineAsyncComponent, computed, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import XDecoration from './avatar-decoration.decoration.vue';
 import MkButton from '@/components/MkButton.vue';
@@ -62,12 +71,62 @@ import { signinRequired } from '@/account.js';
 import MkInfo from '@/components/MkInfo.vue';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
 import MkFoldableSection from '@/components/MkFoldableSection.vue';
+import MkInput from '@/components/MkInput.vue';
 
 const $i = signinRequired();
-
+const searchResult = ref([]);
 const loading = ref(true);
 const avatarDecorations = ref<Misskey.entities.GetAvatarDecorationsResponse & { category:string }>([]);
+const q = ref<string>('');
+watch(() => q.value, () => {
+	const searchCustom = () => {
+		const max = 100;
+		const matches = new Set();
+		const decos = avatarDecorations.value;
+		const exactMatch = decos.find(avatarDecoration => avatarDecoration.name === q.value);
+		if (exactMatch) matches.add(exactMatch);
 
+		if (decos.includes(' ')) { // AND検索
+			const keywords = q.value.split(' ');
+
+			// 名前にキーワードが含まれている
+			for (const deco of decos) {
+				if (keywords.every(keyword => deco.name.includes(keyword))) {
+					matches.add(deco);
+					if (matches.size >= max) break;
+				}
+			}
+			if (matches.size >= max) return matches;
+
+			// 名前またはエイリアスにキーワードが含まれている
+			for (const deco of decos) {
+				if (keywords.every(keyword => deco.name.includes(keyword))) {
+					matches.add(deco);
+					if (matches.size >= max) break;
+				}
+			}
+		} else {
+			for (const deco of decos) {
+				if (deco.name.startsWith(q.value)) {
+					matches.add(deco);
+					if (matches.size >= max) break;
+				}
+			}
+			if (matches.size >= max) return matches;
+
+			for (const deco of decos) {
+				if (deco.name.includes(q.value)) {
+					matches.add(deco);
+					if (matches.size >= max) break;
+				}
+			}
+			if (matches.size >= max) return matches;
+		}
+
+		return matches;
+	};
+	searchResult.value = Array.from(searchCustom());
+});
 misskeyApi('get-avatar-decorations').then(_avatarDecorations => {
 	avatarDecorations.value = _avatarDecorations;
 	loading.value = false;