Because Xuan paper has the characteristics of easy storage, durability and colorfastness, it has the reputation of "paper lives for thousands of years". The raw materials of rice paper are only sandalwood bark and rice straw, and carambola juice is essential as a separating agent. ? Xuan paper is divided into base paper and processed paper according to processing methods. According to the inking degree of paper, it is divided into raw publicity, semi-cooked publicity and cooked publicity. According to the proportion of raw materials, it is divided into three categories: cotton material, cleansing skin and special cleansing skin.