Step 1: Use the mouse to select the text whose alignment you want to change.

Step 2: Click the right mouse button, select Paragraph, and click to open the Paragraph dialog box.

Step 3: Click on the Chinese typesetting interface in the paragraph dialog box.

Step 4: After the text is aligned in the Chinese typesetting interface, select it in the selection box. There are four alignment methods: center, top, baseline and bottom alignment.

Step 5: Click the "OK" button after selecting.

Step 6: Return to the document editing interface, and you can see the alignment effect.