diff --git a/locales/en-US.yml b/locales/en-US.yml
index f9d4d23f02..e5377dc545 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -1197,7 +1197,7 @@ _mfm:
   inlineMath: "Math (Inline)"
   inlineMathDescription: "Display math formulas (KaTeX) in-line"
   blockMath: "Math (Block)"
-  blockMathDescription: "Display multi-line math formulas (KaTeX) in a block"
+  blockMathDescription: "Display math formulas (KaTeX) in a block"
   quote: "Quote"
   quoteDescription: "Displays content as a quote."
   emoji: "Custom Emoji"
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 466212ba21..90a7757141 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1079,7 +1079,7 @@ _mfm:
   inlineMath: "数式(インライン)"
   inlineMathDescription: "数式(KaTeX)をインラインで表示します。"
   blockMath: "数式(ブロック)"
-  blockMathDescription: "複数行の数式(KaTeX)をブロックで表示します。"
+  blockMathDescription: "数式(KaTeX)をブロックで表示します。"
   quote: "引用"
   quoteDescription: "内容が引用であることを示せます。"
   emoji: "カスタム絵文字"
diff --git a/locales/zh-CN.yml b/locales/zh-CN.yml
index c652b52b7d..645f11f568 100644
--- a/locales/zh-CN.yml
+++ b/locales/zh-CN.yml
@@ -1009,9 +1009,9 @@ _mfm:
   blockCode: "代码(块)"
   blockCodeDescription: "语法高亮显示整块程序代码。"
   inlineMath: "数学公式(内嵌)"
-  inlineMathDescription: "显示内嵌的KaTex公式。"
+  inlineMathDescription: "显示内嵌的KaTeX公式。"
   blockMath: "数学公式(块)"
-  blockMathDescription: "显示整块的多行KaTex数学公式。"
+  blockMathDescription: "显示整块的KaTeX数学公式。"
   quote: "引用"
   quoteDescription: "可以用来表示引用的内容。"
   emoji: "自定义表情符号"
diff --git a/locales/zh-TW.yml b/locales/zh-TW.yml
index eb640b7dd4..c2dfd1ce02 100644
--- a/locales/zh-TW.yml
+++ b/locales/zh-TW.yml
@@ -1012,9 +1012,9 @@ _mfm:
   blockCode: "程式碼(區塊)"
   blockCodeDescription: "在區塊中用高亮度顯示，例如複數行的程式碼語法。"
   inlineMath: "數學公式(內嵌)"
-  inlineMathDescription: "顯示內嵌的KaTex數學公式。"
+  inlineMathDescription: "顯示內嵌的KaTeX數學公式。"
   blockMath: "數學公式(方塊)"
-  blockMathDescription: "以區塊顯示複數行的KaTex數學式。"
+  blockMathDescription: "以區塊顯示KaTeX數學式。"
   quote: "引用"
   quoteDescription: "可以用來表示引用的内容。"
   emoji: "自訂表情符號"
diff --git a/packages/client/src/pages/mfm-cheat-sheet.vue b/packages/client/src/pages/mfm-cheat-sheet.vue
index 1946d17ce4..71eba67c50 100644
--- a/packages/client/src/pages/mfm-cheat-sheet.vue
+++ b/packages/client/src/pages/mfm-cheat-sheet.vue
@@ -2,7 +2,7 @@
 	<MkStickyContainer>
 		<template #header><MkPageHeader /></template>
 		<MkSpacer :content-max="800">
-			<div class="mwysmxbg">
+			<div :class="$style.root">
 				<div>{{ i18n.ts._mfm.intro }}</div>
 				<br />
 				<div class="section _block">
@@ -137,6 +137,18 @@
 						</div>
 					</div>
 				</div>
+				<div class="section _block">
+					<div class="title">{{ i18n.ts._mfm.blockMath }}</div>
+					<div class="content">
+						<p>{{ i18n.ts._mfm.blockMathDescription }}</p>
+						<div class="preview">
+							<Mfm :text="preview_blockMath" />
+							<MkTextarea v-model="preview_blockMath"
+								><template #label>MFM</template></MkTextarea
+							>
+						</div>
+					</div>
+				</div>
 				<!-- deprecated
 		<div class="section _block">
 			<div class="title">{{ i18n.ts._mfm.search }}</div>
@@ -427,8 +439,9 @@ let preview_blockCode = $ref(
 	'```\n~ (#i, 100) {\n\t<: ? ((i % 15) = 0) "FizzBuzz"\n\t\t.? ((i % 3) = 0) "Fizz"\n\t\t.? ((i % 5) = 0) "Buzz"\n\t\t. i\n}\n```'
 );
 let preview_inlineMath = $ref("\\(x= \\frac{-b' \\pm \\sqrt{(b')^2-ac}}{a}\\)");
+let preview_blockMath = $ref("\\[x= \\frac{-b' \\pm \\sqrt{(b')^2-ac}}{a}\\]");
 let preview_quote = $ref(`> ${i18n.ts._mfm.dummy}`);
-let preview_search = $ref(`${i18n.ts._mfm.dummy} 検索`);
+let preview_search = $ref(`${i18n.ts._mfm.dummy} [search]\n${i18n.ts._mfm.dummy} [検索]\n${i18n.ts._mfm.dummy} 検索`);
 let preview_jelly = $ref("$[jelly 🍮] $[jelly.speed=5s 🍮]");
 let preview_tada = $ref("$[tada 🍮] $[tada.speed=5s 🍮]");
 let preview_jump = $ref("$[jump 🍮] $[jump.speed=5s 🍮]");
@@ -465,8 +478,8 @@ definePageMetadata({
 });
 </script>
 
-<style lang="scss" scoped>
-.mwysmxbg {
+<style lang="scss" module>
+.root {
 	background: var(--bg);
 
 	> .section {