1. First, enter two lines of text in word, add a serial number before the first line of text, and then align the second line of text with the text after the serial number.

2. Click in front of the second line of text with the mouse cursor to find the ruler position at the top of the page.

3. Then click the icon on the top of the ruler, drag the ruler to the right, and move the text behind the cursor to the right.

4. After moving to the position aligned with the first line of text, release the mouse to align the second line of text with the first line.