1, prepare to sign the drawing.
2. Open the file to be signed with Word, and click Insert > in the menu; Illustration > picture Select a signed picture that has been written, and you can adjust the size of the picture after inserting it.
3, click on the menu format, color, black and white.
4. Click Menu Format, Color, Recolor and Set Transparent Color. After the mouse becomes a pen, click on the white part of the picture, and the white background will be automatically removed. Format the picture to float above the text, drag the picture to the signature and resize it.