Required materials: PS, Word.

First, PS software opens the electronic signature, and Ctrl+J copies the background layer.

Secondly, click "Channel" again.

Third, as you can see here, the color difference between the "green and blue" channels is relatively large, so click on the green or blue channel here.

Fourth, hold down the Ctrl key and click the thumbnail of the blue channel to select the signature, and then Ctrl+Shift+I deselect it.

5. Then press Ctrl+J to copy the selection to the new layer, press Ctrl+D to cancel the selection and delete the redundant layer below.

6. Click "File" and click "Save As" in the drop-down menu.

7. Store the signature in PNG format on the desktop.

8. Open Word and drag the signature you just saved into Word.

9. Select the signature, right-click, click "Text Surrounding" in the menu, and click "Below Text" in the third-level menu.

X. the final effect is shown in the figure below.