Introduction to ethnic and folk masks: The content of "Ethnic and Folk Masks" is divided into five units; "Tiaoshen Masks", "Life Ceremony Masks", "Festival Sacrifice Masks", "Drama Masks", "Zhenzhao Masks" . The masks on display are made of various materials, including wood, paper, pottery, cloth, gourd, straw, bamboo shoot shells, brown leather, etc., and the production techniques include carving, paper paste, weaving, etc.