1. Right-click the mouse on the desktop and select New Microsoft Excel Worksheet.

2. Open the excel2013 file, right-click the worksheet label "Sheet1", and select the Rename menu item in the pop-up shortcut menu.

3. At this time, the worksheet label "Sheet1" is highlighted and is in an editable state.

4. Enter the appropriate worksheet name, and then press the Enter key. The effect is as shown in the figure.

5. After modification, click the floppy disk image in the upper left corner to save.