Open the space data in QQ space profile, click on the picture on the left side of the signature file bar, and then upload your picture. If you are looking for online pictures, you'd better save them in your own space photo album or your own computer before uploading them, so as to avoid some pictures not being opened for a long time. If it's all Chinese characters, you can adjust it yourself. There are all fonts, sizes and colors on it. You can also find some codes on the Internet and copy them directly.