In Word, you can't copy the background picture by copying and pasting. You can extract the background image by the following methods:

1, open the Word document;

2. Click the office button in the upper left corner of the window, and select the Save As command in the drop-down menu;

3. The Save As dialog box pops up, and select the filtered webpage (*. htm*.html)；

4. After saving, there is a folder with the same name as the Word file in the saving location, and the background picture is in this folder.