Watermarking the business license can be realized by various tools, such as the watermarking function of the mobile phone camera and PS software. The specific content of the text to be added depends on the purpose of adding the watermark. Generally, it is common to handle such and such affairs only, and it is forbidden to embezzle them. The adding location can be anywhere on the business license. Take PS software as an example. The adding method is as follows:

1. After saving the photographed or scanned business license on the computer, open the PS software on the computer and click the file in the upper left corner to select the Open button.

2. Find the saved business license electrode plate in the open dialog box that appears, and click Open.

3. after opening the business license in PS, click on the text sign in the navigation bar on the left, and then click on the position where the watermark needs to be added on the business license.

4. At this time, enter the required text content in the text editing box. If it is only for users to change, it is forbidden to steal words.

5. at this time, click the file in the upper left corner of the software and select the save as button.

6. in the save dialog box that appears, select the storage location and the file format as JPG, and then click save.

7. click the sliding slider in the pop-up IPEG saving option, select the file size to be saved, and then click ok.

8. at this time, you can see that the required watermark has been added to the business license by opening the picture of the storage location where the business license is saved.