1. First, open WPS on the computer desktop. As shown in the figure below:

2. Enter the WPS paper and click the left mouse button to select the author's name, such as Baidu. As shown in the figure below:

3. After selecting the author's name, click the reference in the toolbar. As shown in the figure below:

4. On the References page, click Insert Footnote. As shown in the figure below:

5. Footnote symbol appears in the upper right corner of the author's name, and the input field appears in the footer of the document. As shown in the figure below:

6. Enter the author's brief introduction and content in the footnote, so that the author's brief introduction can be inserted in the paper. As shown in the figure below: