Many softwares can be used to add logos and watermarks to pictures, such as ps, Meitu Xiu Xiu, Light and Shadow Magician, etc. Here, the method of adding logos and watermarks to pictures by Meitu Xiu Xiu software is explained: 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 them; Set the size, direction, transparency and location of logo and watermark, and then click OK; After you confirm, you can save the picture.