The seal is obtained by seal carving.Seal carving is to use a knife instead of pen to carve and write on the materials used to make seals according to the written calligraphy. It is a unique traditional art in China. It is a unique traditional art in China. It melts thousands of scenes into square inches. It is loved by scholars of all dynasties, or seals for their own use, or gives gifts to literary friends.It can not only be used as a seal for signature, but also watch and play, so as to obtain endless aesthetic pleasure and artistic enjoyment.