diff --git a/components/comment/index.tsx b/components/comment/index.tsx
index 23d25b2aa..c0155558a 100644
--- a/components/comment/index.tsx
+++ b/components/comment/index.tsx
@@ -1,9 +1,9 @@
-import { defineComponent, inject } from 'vue';
+import { defineComponent, ExtractPropTypes } from 'vue';
 import PropsTypes from '../_util/vue-types';
-import { getComponent, getSlot } from '../_util/props-util';
-import { defaultConfigProvider } from '../config-provider';
+import { flattenChildren } from '../_util/props-util';
 import { VueNode, withInstall } from '../_util/type';
-export const CommentProps = {
+import useConfigInject from '../_util/hooks/useConfigInject';
+export const commentProps = {
   actions: PropsTypes.array,
   /** The element to display as the comment author. */
   author: PropsTypes.VNodeChild,
@@ -17,79 +17,79 @@ export const CommentProps = {
   datetime: PropsTypes.VNodeChild,
 };
 
+export type CommentProps = Partial<ExtractPropTypes<typeof commentProps>>;
+
 const Comment = defineComponent({
   name: 'AComment',
-  props: CommentProps,
-  setup() {
-    return {
-      configProvider: inject('configProvider', defaultConfigProvider),
+  props: commentProps,
+  slots: ['actions', 'author', 'avatar', 'content', 'datetime'],
+  setup(props, { slots }) {
+    const { prefixCls, direction } = useConfigInject('comment', props);
+    const renderNested = (prefixCls: string, children: VueNode) => {
+      return <div class={`${prefixCls}-nested`}>{children}</div>;
     };
-  },
-  methods: {
-    getAction(actions: VueNode[]) {
+    const getAction = (actions: VueNode[]) => {
       if (!actions || !actions.length) {
         return null;
       }
       const actionList = actions.map((action, index) => <li key={`action-${index}`}>{action}</li>);
       return actionList;
-    },
-    renderNested(prefixCls: string, children: VueNode) {
-      return <div class={`${prefixCls}-nested`}>{children}</div>;
-    },
-  },
+    };
+    return () => {
+      const pre = prefixCls.value;
 
-  render() {
-    const { prefixCls: customizePrefixCls } = this.$props;
+      const actions = props.actions ?? slots.actions?.();
+      const author = props.author ?? slots.author?.();
+      const avatar = props.avatar ?? slots.avatar?.();
+      const content = props.content ?? slots.content?.();
+      const datetime = props.datetime ?? slots.datetime?.();
 
-    const getPrefixCls = this.configProvider.getPrefixCls;
-    const prefixCls = getPrefixCls('comment', customizePrefixCls);
+      const avatarDom = (
+        <div class={`${pre}-avatar`}>
+          {typeof avatar === 'string' ? <img src={avatar} alt="comment-avatar" /> : avatar}
+        </div>
+      );
 
-    const actions = getComponent(this, 'actions');
-    const author = getComponent(this, 'author');
-    const avatar = getComponent(this, 'avatar');
-    const content = getComponent(this, 'content');
-    const datetime = getComponent(this, 'datetime');
+      const actionDom = actions ? (
+        <ul class={`${pre}-actions`}>{getAction(Array.isArray(actions) ? actions : [actions])}</ul>
+      ) : null;
 
-    const avatarDom = (
-      <div class={`${prefixCls}-avatar`}>
-        {typeof avatar === 'string' ? <img src={avatar} alt="comment-avatar" /> : avatar}
-      </div>
-    );
+      const authorContent = (
+        <div class={`${pre}-content-author`}>
+          {author && <span class={`${pre}-content-author-name`}>{author}</span>}
+          {datetime && <span class={`${pre}-content-author-time`}>{datetime}</span>}
+        </div>
+      );
 
-    const actionDom = actions ? (
-      <ul class={`${prefixCls}-actions`}>
-        {this.getAction(Array.isArray(actions) ? actions : [actions])}
-      </ul>
-    ) : null;
+      const contentDom = (
+        <div class={`${pre}-content`}>
+          {authorContent}
+          <div class={`${pre}-content-detail`}>{content}</div>
+          {actionDom}
+        </div>
+      );
 
-    const authorContent = (
-      <div class={`${prefixCls}-content-author`}>
-        {author && <span class={`${prefixCls}-content-author-name`}>{author}</span>}
-        {datetime && <span class={`${prefixCls}-content-author-time`}>{datetime}</span>}
-      </div>
-    );
-
-    const contentDom = (
-      <div class={`${prefixCls}-content`}>
-        {authorContent}
-        <div class={`${prefixCls}-content-detail`}>{content}</div>
-        {actionDom}
-      </div>
-    );
-
-    const comment = (
-      <div class={`${prefixCls}-inner`}>
-        {avatarDom}
-        {contentDom}
-      </div>
-    );
-    const children = getSlot(this);
-    return (
-      <div class={prefixCls}>
-        {comment}
-        {children && children.length ? this.renderNested(prefixCls, children) : null}
-      </div>
-    );
+      const comment = (
+        <div class={`${pre}-inner`}>
+          {avatarDom}
+          {contentDom}
+        </div>
+      );
+      const children = flattenChildren(slots.default?.());
+      return (
+        <div
+          class={[
+            pre,
+            {
+              [`${pre}-rtl`]: direction.value === 'rtl',
+            },
+          ]}
+        >
+          {comment}
+          {children && children.length ? renderNested(pre, children) : null}
+        </div>
+      );
+    };
   },
 });
 
diff --git a/components/comment/style/index.less b/components/comment/style/index.less
index 411597c4b..73243c08a 100644
--- a/components/comment/style/index.less
+++ b/components/comment/style/index.less
@@ -15,8 +15,9 @@
   &-avatar {
     position: relative;
     flex-shrink: 0;
-    margin-right: 12px;
+    margin-right: @margin-sm;
     cursor: pointer;
+
     img {
       width: 32px;
       height: 32px;
@@ -35,11 +36,11 @@
       display: flex;
       flex-wrap: wrap;
       justify-content: flex-start;
-      margin-bottom: 4px;
+      margin-bottom: @margin-xss;
       font-size: @comment-font-size-base;
       & > a,
       & > span {
-        padding-right: 8px;
+        padding-right: @padding-xs;
         font-size: @comment-font-size-sm;
         line-height: 18px;
       }
@@ -64,23 +65,27 @@
     }
 
     &-detail p {
+      margin-bottom: @comment-content-detail-p-margin-bottom;
       white-space: pre-wrap;
     }
   }
 
   &-actions {
-    margin-top: 12px;
+    margin-top: @comment-actions-margin-top;
+    margin-bottom: @comment-actions-margin-bottom;
     padding-left: 0;
+
     > li {
       display: inline-block;
       color: @comment-action-color;
       > span {
-        padding-right: 10px;
+        margin-right: 10px;
         color: @comment-action-color;
         font-size: @comment-font-size-sm;
         cursor: pointer;
         transition: color 0.3s;
         user-select: none;
+
         &:hover {
           color: @comment-action-hover-color;
         }
@@ -92,3 +97,5 @@
     margin-left: @comment-nest-indent;
   }
 }
+
+@import './rtl';
diff --git a/components/comment/style/rtl.less b/components/comment/style/rtl.less
new file mode 100644
index 000000000..27ad52706
--- /dev/null
+++ b/components/comment/style/rtl.less
@@ -0,0 +1,50 @@
+@import '../../style/themes/index';
+@import '../../style/mixins/index';
+
+@comment-prefix-cls: ~'@{ant-prefix}-comment';
+
+.@{comment-prefix-cls} {
+  &-rtl {
+    direction: rtl;
+  }
+
+  &-avatar {
+    .@{comment-prefix-cls}-rtl & {
+      margin-right: 0;
+      margin-left: 12px;
+    }
+  }
+
+  &-content {
+    &-author {
+      & > a,
+      & > span {
+        .@{comment-prefix-cls}-rtl & {
+          padding-right: 0;
+          padding-left: 8px;
+        }
+      }
+    }
+  }
+
+  &-actions {
+    .@{comment-prefix-cls}-rtl & {
+      padding-right: 0;
+    }
+    > li {
+      > span {
+        .@{comment-prefix-cls}-rtl & {
+          margin-right: 0;
+          margin-left: 10px;
+        }
+      }
+    }
+  }
+
+  &-nested {
+    .@{comment-prefix-cls}-rtl & {
+      margin-right: @comment-nest-indent;
+      margin-left: 0;
+    }
+  }
+}
diff --git a/components/style/themes/default.less b/components/style/themes/default.less
index 30126c447..ab17864ab 100644
--- a/components/style/themes/default.less
+++ b/components/style/themes/default.less
@@ -612,7 +612,7 @@
 // Comment
 // ---
 @comment-bg: inherit;
-@comment-padding-base: 16px 0;
+@comment-padding-base: @padding-md 0;
 @comment-nest-indent: 44px;
 @comment-font-size-base: @font-size-base;
 @comment-font-size-sm: @font-size-sm;
@@ -620,6 +620,9 @@
 @comment-author-time-color: #ccc;
 @comment-action-color: @text-color-secondary;
 @comment-action-hover-color: #595959;
+@comment-actions-margin-bottom: inherit;
+@comment-actions-margin-top: @margin-sm;
+@comment-content-detail-p-margin-bottom: inherit;
 
 // Tabs
 // ---