diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index adc42b96de..44e69d4fdd 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -935,6 +935,10 @@ common/views/components/mute-and-block.vue:
   block: "ブロック"
   no-muted-users: "ミュートしているユーザーはいません"
   no-blocked-users: "ブロックしているユーザーはいません"
+  word-mute: "ワードミュート"
+  muted-words: "ミュートされたキーワード"
+  muted-words-description: "スペースで区切るとAND指定になり、改行で区切るとOR指定になります"
+  save: "保存"
 
 common/views/components/password-settings.vue:
   reset: "パスワードを変更する"
diff --git a/src/client/app/common/scripts/note-mixin.ts b/src/client/app/common/scripts/note-mixin.ts
index dd5098f4cd..9f1a4c6eea 100644
--- a/src/client/app/common/scripts/note-mixin.ts
+++ b/src/client/app/common/scripts/note-mixin.ts
@@ -1,5 +1,6 @@
 import parse from '../../../../mfm/parse';
 import { sum } from '../../../../prelude/array';
+import shouldMuteNote from './should-mute-note';
 import MkNoteMenu from '../views/components/note-menu.vue';
 import MkReactionPicker from '../views/components/reaction-picker.vue';
 import Ok from '../views/components/ok.vue';
@@ -22,7 +23,8 @@ type Opts = {
 export default (opts: Opts = {}) => ({
 	data() {
 		return {
-			showContent: false
+			showContent: false,
+			hideThisNote: false
 		};
 	},
 
@@ -86,6 +88,10 @@ export default (opts: Opts = {}) => ({
 		}
 	},
 
+	created() {
+		this.hideThisNote = shouldMuteNote(this.$store.state.i, this.$store.state.settings, this.appearNote);
+	},
+
 	methods: {
 		reply(viaKeyboard = false) {
 			this.$root.$post({
diff --git a/src/client/app/common/scripts/should-mute-note.ts b/src/client/app/common/scripts/should-mute-note.ts
new file mode 100644
index 0000000000..a849135763
--- /dev/null
+++ b/src/client/app/common/scripts/should-mute-note.ts
@@ -0,0 +1,28 @@
+export default function(me, settings, note) {
+	const isMyNote = note.userId == me.id;
+	const isPureRenote = note.renoteId != null && note.text == null && note.fileIds.length == 0 && note.poll == null;
+
+	if (settings.showMyRenotes === false) {
+		if (isMyNote && isPureRenote) {
+			return true;
+		}
+	}
+
+	if (settings.showRenotedMyNotes === false) {
+		if (isPureRenote && (note.renote.userId == me.id)) {
+			return true;
+		}
+	}
+
+	if (settings.showLocalRenotes === false) {
+		if (isPureRenote && (note.renote.user.host == null)) {
+			return true;
+		}
+	}
+
+	if (!isMyNote && note.text && settings.mutedWords.some(q => !q.some(word => !note.text.includes(word)))) {
+		return true;
+	}
+
+	return false;
+}
diff --git a/src/client/app/common/views/components/mute-and-block.vue b/src/client/app/common/views/components/mute-and-block.vue
index 3ed02e644c..fdeaa97eb4 100644
--- a/src/client/app/common/views/components/mute-and-block.vue
+++ b/src/client/app/common/views/components/mute-and-block.vue
@@ -21,6 +21,14 @@
 			</div>
 		</div>
 	</section>
+
+	<section>
+		<header>{{ $t('word-mute') }}</header>
+		<ui-textarea v-model="mutedWords">
+			{{ $t('muted-words') }}<span slot="desc">{{ $t('muted-words-description') }}</span>
+		</ui-textarea>
+		<ui-button @click="save">{{ $t('save') }}</ui-button>
+	</section>
 </ui-card>
 </template>
 
@@ -30,16 +38,27 @@ import i18n from '../../../i18n';
 
 export default Vue.extend({
 	i18n: i18n('common/views/components/mute-and-block.vue'),
+
 	data() {
 		return {
 			muteFetching: true,
 			blockFetching: true,
 			mute: [],
-			block: []
+			block: [],
+			mutedWords: ''
 		};
 	},
 
+	computed: {
+		_mutedWords: {
+			get() { return this.$store.state.settings.mutedWords; },
+			set(value) { this.$store.dispatch('settings/set', { key: 'mutedWords', value }); }
+		},
+	},
+
 	mounted() {
+		this.mutedWords = this._mutedWords.map(words => words.join(' ')).join('\n');
+
 		this.$root.api('mute/list').then(mute => {
 			this.mute = mute.map(x => x.mutee);
 			this.muteFetching = false;
@@ -49,6 +68,12 @@ export default Vue.extend({
 			this.block = blocking.map(x => x.blockee);
 			this.blockFetching = false;
 		});
+	},
+
+	methods: {
+		save() {
+			this._mutedWords = this.mutedWords.split('\n').map(line => line.split(' '));
+		}
 	}
 });
 </script>
diff --git a/src/client/app/desktop/views/components/note.vue b/src/client/app/desktop/views/components/note.vue
index 2b164687eb..e2b67c150f 100644
--- a/src/client/app/desktop/views/components/note.vue
+++ b/src/client/app/desktop/views/components/note.vue
@@ -2,7 +2,7 @@
 <div
 	class="note"
 	:class="{ mini }"
-	v-show="appearNote.deletedAt == null"
+	v-show="appearNote.deletedAt == null && !hideThisNote"
 	:tabindex="appearNote.deletedAt == null ? '-1' : null"
 	v-hotkey="keymap"
 	:title="title"
diff --git a/src/client/app/desktop/views/components/notes.vue b/src/client/app/desktop/views/components/notes.vue
index 47f7919d72..6991f13545 100644
--- a/src/client/app/desktop/views/components/notes.vue
+++ b/src/client/app/desktop/views/components/notes.vue
@@ -36,7 +36,7 @@
 import Vue from 'vue';
 import i18n from '../../../i18n';
 import * as config from '../../../config';
-
+import shouldMuteNote from '../../../common/scripts/should-mute-note';
 import XNote from './note.vue';
 
 const displayLimit = 30;
@@ -119,28 +119,8 @@ export default Vue.extend({
 		},
 
 		prepend(note, silent = false) {
-			//#region 弾く
-			const isMyNote = note.userId == this.$store.state.i.id;
-			const isPureRenote = note.renoteId != null && note.text == null && note.fileIds.length == 0 && note.poll == null;
-
-			if (this.$store.state.settings.showMyRenotes === false) {
-				if (isMyNote && isPureRenote) {
-					return;
-				}
-			}
-
-			if (this.$store.state.settings.showRenotedMyNotes === false) {
-				if (isPureRenote && (note.renote.userId == this.$store.state.i.id)) {
-					return;
-				}
-			}
-
-			if (this.$store.state.settings.showLocalRenotes === false) {
-				if (isPureRenote && (note.renote.user.host == null)) {
-					return;
-				}
-			}
-			//#endregion
+			// 弾く
+			if (shouldMuteNote(this.$store.state.i, this.$store.state.settings, note)) return;
 
 			// タブが非表示またはスクロール位置が最上部ではないならタイトルで通知
 			if (document.hidden || !this.isScrollTop()) {
diff --git a/src/client/app/desktop/views/pages/deck/deck.notes.vue b/src/client/app/desktop/views/pages/deck/deck.notes.vue
index 611b28ffc0..7282e6a3f2 100644
--- a/src/client/app/desktop/views/pages/deck/deck.notes.vue
+++ b/src/client/app/desktop/views/pages/deck/deck.notes.vue
@@ -40,6 +40,7 @@
 <script lang="ts">
 import Vue from 'vue';
 import i18n from '../../../../i18n';
+import shouldMuteNote from '../../../../common/scripts/should-mute-note';
 
 import XNote from '../../components/note.vue';
 
@@ -135,28 +136,8 @@ export default Vue.extend({
 		},
 
 		prepend(note, silent = false) {
-			//#region 弾く
-			const isMyNote = note.userId == this.$store.state.i.id;
-			const isPureRenote = note.renoteId != null && note.text == null && note.fileIds.length == 0 && note.poll == null;
-
-			if (this.$store.state.settings.showMyRenotes === false) {
-				if (isMyNote && isPureRenote) {
-					return;
-				}
-			}
-
-			if (this.$store.state.settings.showRenotedMyNotes === false) {
-				if (isPureRenote && (note.renote.userId == this.$store.state.i.id)) {
-					return;
-				}
-			}
-
-			if (this.$store.state.settings.showLocalRenotes === false) {
-				if (isPureRenote && (note.renote.user.host == null)) {
-					return;
-				}
-			}
-			//#endregion
+			// 弾く
+			if (shouldMuteNote(this.$store.state.i, this.$store.state.settings, note)) return;
 
 			// タブが非表示ならタイトルで通知
 			if (document.hidden) {
diff --git a/src/client/app/mobile/views/components/note.vue b/src/client/app/mobile/views/components/note.vue
index f6b7d39b83..d42efbf344 100644
--- a/src/client/app/mobile/views/components/note.vue
+++ b/src/client/app/mobile/views/components/note.vue
@@ -1,7 +1,7 @@
 <template>
 <div
 	class="note"
-	v-show="appearNote.deletedAt == null"
+	v-show="appearNote.deletedAt == null && !hideThisNote"
 	:tabindex="appearNote.deletedAt == null ? '-1' : null"
 	:class="{ renote: isRenote, smart: $store.state.device.postStyle == 'smart' }"
 	v-hotkey="keymap"
diff --git a/src/client/app/mobile/views/components/notes.vue b/src/client/app/mobile/views/components/notes.vue
index e363d219a6..e239f8957d 100644
--- a/src/client/app/mobile/views/components/notes.vue
+++ b/src/client/app/mobile/views/components/notes.vue
@@ -35,6 +35,7 @@
 <script lang="ts">
 import Vue from 'vue';
 import i18n from '../../../i18n';
+import shouldMuteNote from '../../../common/scripts/should-mute-note';
 
 const displayLimit = 30;
 
@@ -118,28 +119,8 @@ export default Vue.extend({
 		},
 
 		prepend(note, silent = false) {
-			//#region 弾く
-			const isMyNote = note.userId == this.$store.state.i.id;
-			const isPureRenote = note.renoteId != null && note.text == null && note.fileIds.length == 0 && note.poll == null;
-
-			if (this.$store.state.settings.showMyRenotes === false) {
-				if (isMyNote && isPureRenote) {
-					return;
-				}
-			}
-
-			if (this.$store.state.settings.showRenotedMyNotes === false) {
-				if (isPureRenote && (note.renote.userId == this.$store.state.i.id)) {
-					return;
-				}
-			}
-
-			if (this.$store.state.settings.showLocalRenotes === false) {
-				if (isPureRenote && (note.renote.user.host == null)) {
-					return;
-				}
-			}
-			//#endregion
+			// 弾く
+			if (shouldMuteNote(this.$store.state.i, this.$store.state.settings, note)) return;
 
 			// タブが非表示またはスクロール位置が最上部ではないならタイトルで通知
 			if (document.hidden || !this.isScrollTop()) {
diff --git a/src/client/app/store.ts b/src/client/app/store.ts
index 08d5c9b127..065015b3db 100644
--- a/src/client/app/store.ts
+++ b/src/client/app/store.ts
@@ -34,6 +34,7 @@ const defaultSettings = {
 	iLikeSushi: false,
 	rememberNoteVisibility: false,
 	defaultNoteVisibility: 'public',
+	mutedWords: [],
 	games: {
 		reversi: {
 			showBoardLabels: false,