diff --git a/README.md b/README.md
index 623e95f..504e8e7 100644
--- a/README.md
+++ b/README.md
@@ -141,6 +141,7 @@ Thanks for [@yihong0618](https://github.com/yihong0618) provided a workaround wh
 | `leetcode.enableStatusBar`        | Specify whether the LeetCode status bar will be shown or not.                                                                                                                                                                                                 | `true`             |
 | `leetcode.editor.shortcuts`       | Specify the customized shortcuts in editors. Supported values are: `submit`, `test`, `star`, `solution` and `description`.                                                                                                                                    | `["submit, test"]` |
 | `leetcode.enableSideMode`         | Specify whether `preview`, `solution` and `submission` tab should be grouped into the second editor column when solving a problem.                                                                                                                            | `true`             |
+| `leetcode.editorSideBySideSplit`  | Specify the split layout when opening a problem file. Supported values are: `problem-left` or `problem-right` (preview on the left, problem file on the right).                              | `problem-left`     |
 | `leetcode.nodePath`               | Specify the `Node.js` executable path. for example, C:\Program Files\nodejs\node.exe                                                                                                                                                                          | `node`             |
 | `leetcode.showCommentDescription` | Specify whether to include the problem description in the comments                                                                                                                                                                                            | `false`            |
 | `leetcode.useEndpointTranslation` | Use endpoint's translation (if available)                                                                                                                                                                                                                     | `true`             |
diff --git a/package.json b/package.json
index 53552b7..c43bdf9 100644
--- a/package.json
+++ b/package.json
@@ -677,6 +677,20 @@
                         "scope": "application",
                         "description": "Determine whether to group all webview pages into the second editor column when solving problems."
                     },
+                    "leetcode.editorSideBySideSplit": {
+                        "type": "string",
+                        "default": "problem-left",
+                        "scope": "application",
+                        "enum": [
+                            "problem-left",
+                            "problem-right"
+                        ],
+                        "enumDescriptions": [
+                            "Problem file on the left, preview on the right",
+                            "Preview on the left, problem file on the right"
+                        ],
+                        "description": "Determine the side-by-side split layout when opening a problem file."
+                    },
                     "leetcode.nodePath": {
                         "type": "string",
                         "default": "node",
diff --git a/src/commands/show.ts b/src/commands/show.ts
index eccf557..2ac9082 100644
--- a/src/commands/show.ts
+++ b/src/commands/show.ts
@@ -189,12 +189,14 @@ async function showProblemInternal(node: IProblem): Promise<void> {
 
         const descriptionConfig: IDescriptionConfiguration = settingUtils.getDescriptionConfiguration();
         const needTranslation: boolean = settingUtils.shouldUseEndpointTranslation();
+        const editorSplit: string = leetCodeConfig.get<string>("editorSideBySideSplit", "problem-left");
+        const problemViewColumn = editorSplit === "problem-left" ? vscode.ViewColumn.One : vscode.ViewColumn.Two;
 
         await leetCodeExecutor.showProblem(node, language, finalPath, descriptionConfig.showInComment, needTranslation);
         const promises: any[] = [
             vscode.window.showTextDocument(vscode.Uri.file(finalPath), {
                 preview: false,
-                viewColumn: vscode.ViewColumn.One,
+                viewColumn: problemViewColumn,
             }),
             promptHintMessage(
                 "hint.commentDescription",
diff --git a/src/webview/leetCodePreviewProvider.ts b/src/webview/leetCodePreviewProvider.ts
index 86060de..7b4741c 100644
--- a/src/webview/leetCodePreviewProvider.ts
+++ b/src/webview/leetCodePreviewProvider.ts
@@ -1,7 +1,7 @@
 // Copyright (c) jdneo. All rights reserved.
 // Licensed under the MIT license.
 
-import { commands, ViewColumn } from "vscode";
+import { commands, ViewColumn, workspace } from "vscode";
 import { getLeetCodeEndpoint } from "../commands/plugin";
 import { Endpoint, IProblem } from "../shared";
 import { ILeetCodeWebviewOption, LeetCodeWebview } from "./LeetCodeWebview";
@@ -31,9 +31,12 @@ class LeetCodePreviewProvider extends LeetCodeWebview {
                 viewColumn: ViewColumn.One,
             };
         } else {
+            const editorSplit: string = workspace.getConfiguration("leetcode").get<string>("editorSideBySideSplit", "problem-left");
+            const previewViewColumn = editorSplit === "problem-left" ? ViewColumn.Two : ViewColumn.One;
+
             return {
                 title: "Description",
-                viewColumn: ViewColumn.Two,
+                viewColumn: previewViewColumn,
                 preserveFocus: true,
             };
         }