There are many varieties of Nuo masks in Luxi County, with different shapes and functions, including sacrificial masks, Nuo opera masks, ghost-exorcising masks, war masks, mountain-opening masks, and incense-jumping masks. After thousands of years of inheritance and evolution, Nuo masks have penetrated into all aspects of people's lives and formed a series of relatively complete samples, which have an impact on the daily life of Tujia and Miao villages. They can be roughly divided into 36 categories, each with its own unique shape. They are different and have different forms. They mostly use the "human-animal integration" composite artistic expression method, coupled with exaggerated deformation techniques to enhance the artistic appeal of Nuo masks. There are many types of Nuo masks, with different images and complete categories, which are unmatched by other masks. Its main value is: 1. Nuo masks are unique to China, and are very different from masks in other regions in terms of shape and color. It inherits the primitive culture of Chu, and is also carried forward by artists and continuously innovated. Since the reform and opening up, under the encouragement and promotion of the party and government departments at all levels, cultural departments and famous experts and scholars from inside and outside the province, Nuo masks have gone out of the mountain gate and into the world. 2. A collection of characteristic folk customs Luxi Nuo masks integrate many characteristic folk customs. Nuo masks are widely used in various folk activities such as Nuotang opera, incense dancing, and sacrifices, reflecting the life, religious psychology and national psychology of a nation or a people. 3. Economic value. In recent years, they have been purchased and collected by a large number of people in the art world at home and abroad, and various tourist attractions and specialty stores in our province have called and sent letters, hoping to promote Nuo masks. It can be seen that Nuo masks have produced certain economic benefits.