Seals are usually divided into official seals and private seals, and different seals use different fonts. As for the Chinese characters of the official seal, according to the provisions of the State Council on the seal management of state administrative organs, enterprises, institutions and social organizations (document number: Guo Fa [1999] No.25), "17. The Chinese characters printed on the seal should use simplified characters published by the State Council, and the font is Song Ti." The font is Song Ti; According to the content, use and shape of the seal, the Chinese characters of the private seal can be in the following fonts: official script, regular script, Weibei, Songti, running script, official script and so on. Office flat font: regular script, official script, official script, official script, imitation of Song Dynasty, etc. Fonts for artistic name printing: seal script, official script, running script, official script, etc. However, seal cutting seals are generally seal script and Chinese seal. The font used for personal signature seal is arbitrary in principle, while the font used for corporate private seal is relatively fixed.