Many softwares can be used to add logo and watermarks to pictures, such as ps, Meitu Xiu Xiu, Magic Hand of Light and Shadow, etc. Here's how Meitu Xiu Xiu software adds logo and watermark to pictures: Open Meitu Xiu Xiu software in the computer and click "Batch Processing"; Click "Add Picture" to open the picture that needs to be added with logo or watermark, and then click "Watermark" on the right; Click "Import Watermark" to open the logo and watermark image and import it; Set the size, orientation, transparency and location of the logo and watermark, and then click OK; After confirmation, you can save the picture.