The method of removing the header from the cover of graduation thesis is as follows (taking word20 19 of windows 10 system as an example):

1. Open the graduation thesis and double-click the title.

2. Then use the keyboard shortcut "Ctrl+A" to select all the text in the header.

3. Use the backspace key on the keyboard to delete the contents of the header.

4. Double-click the blank area of the text to exit editing.

5. Then you can see that the title has been deleted.