The Miao nationality is an ancient ethnic minority in my country. They have been striving for self-improvement in the forests of Wuling Mountain Area for more than 2,000 years. They generally live in a harsh environment surrounded by mountains with poor transportation. However, with the hard work, bravery, intelligence and wisdom of the Miao people, they have not only created countless material wealth, but also created a splendid and civilized national culture. Xiangxi Miao costume painting is one of them. It is mainly distributed in Shuitianhe Town, Hulu Town and Hangsha Township in Baojing. Xiangxi Miao costume painting has a long history and has important value that cannot be underestimated in studying the history, culture, production and life, and commodity trade of the Miao people. Historical value: an important part of recording the history and culture of the Miao people. The pictographic geometric patterns expressed in Xiangxi Miao costume painting record the historical experiences of the Miao people and the secrets of their cultural admiration. This silent record combined with beautiful decoration has formed a wordless book under harsh conditions. The carrier of Miao spirit, thought, wisdom and skills: Miao people use their own subjectivity of pattern content and color tendency, plus the spirit of each artist, to skillfully beautify and accommodate, and successfully embody their spirit, thought, wisdom and skills in the overall style of Xiangxi Miao costume painting with diverse characteristics. Value of external communication: A bridge for communication. When Miao youth fall in love, they often use Xiangxi Miao costume painting and Miao embroidery as tokens of love. In other interactions, they are also given as gifts to express friendship and emotional integration; a source of economic income, through painting Xiangxi Miao costume painting and selling it in the market, to obtain economic income. Cultural and artistic value: From the perspective of cultural anthropology, it is a precious ancient heritage; from the perspective of religious studies, it preserves various spiritual symbols from ancient times such as nature worship, totem worship, ancestor worship and even sex worship, and is a precious "living fossil" for people to study the religious origins of ancient China; from the perspective of ethnology and folk crafts, it is a huge carrier that brings together rich elements from all aspects of craft production, providing first-hand information for the study of Miao craft aesthetics.