Seal cutting is an art combining sculpture and calligraphy, and it is an artistic style closely related to China's calligraphy and painting. Because of its unique function, seal occupies a more important position in the field of antique appreciation in the antique market.

There are many names of seals, not less than a dozen, mainly including: seal, treasure, seal, book, painting, seal, seal and so on. In ancient times, seals were generally called seals.

After China was unified by the Qin Dynasty, only the emperor's seal was called the national seal, and the rest were called the national seal. In the Han dynasty, the princes called the seal, the generals called the seal, and the rest called the seal. Later, in the Qing Dynasty, the emperor's seal was called Xi and Bao. The seal above the prince is called Bao, and the seal of the official below the county king is called private seal.

The title of the seal is irrelevant and unlimited, but the seal is still the most common. Modern seals have many uses, including wooden rubber seals for children's toys, student seals for teaching, letter seals for numbers, and seals for children's education in restaurants and other places. The materials used to make the gasket are photosensitive pad, ink storage pad and so on. And ink is divided into water-based ink and oily ink.