The book includes pictures of masks of Nuo Opera of different minority ethnic groups from Yunnan, Guizhou and Sichuan in the south to Qinghai and Gansu in the north, including Yi, Buyi, Miao and Tujia. It is precious and informative to some degree. Such an atlas which is close to readers is valuable for popularizing Nuo culture and furthering the research of Nuo culture. This atlas presents the artistic aesthetics of Nuo Opera and its masks and gives full expression of the aesthetic elements in Nuo culture. With simple but innovative arrangement  of content and annotation, the book can be said as a good work displaying Nuo culture with characteristics, comprehensiveness and systematicness, among numerous books that have been published about Nuo culture in our country.