In Photoshop, the function of stamping is to add some irremovable marks to the picture, such as the company's watermark, copyright information, etc. Stamping can protect the intellectual property rights of images from malicious theft and modification. Not only that, stamping can also create specific forms for pictures, such as posters, advertisements, etc., to enhance the communication effect of pictures.

In the use of stamps, the application form of the stamp needs to be designed based on the content and purpose of the picture. For example, for an artistic photo, the position and form of the stamp should be carefully designed so as not to destroy the original beauty, and the original information of the photo should be retained. For a company's promotional poster, the company's logo and slogan should be highlighted, and the trademark font and color should be set so that netizens can better remember the company.

Various stamping software include a variety of stamping effects, and are easy and fast to use. Some of the advanced software can also realize automatic batch processing and intelligent classification of files. However, improper use can also produce negative effects. For example, too much stamping will affect the clarity and beauty of the original image. Improper stamping position and color matching will also reduce the visual effect. Therefore, careful consideration and mastery of usage skills are required.