Introduction to Dongba language: Among the 25 ethnic minorities in Yunnan, except for the Hui, Shui and Manchu ethnic groups, the other 22 ethnic groups speak 26 languages, and 14 ethnic groups use 22 The Dongba script of the Naxi people is known as "the only living hieroglyphics in the world". The Dongba Sutra, written with more than 1,400 Dongba characters, has survived in more than 20,000 volumes and is collected in Lijiang and Kunming, China. , Beijing, Nanjing, Taiwan and more than 10 countries and regions including the United States, Germany, and Spain.