Introduction to Ritian: Ritu County is one of the border counties in the northwest of Tibet and the northwest of Ali. The Karakorum Mountains and the Gangdese Mountains cross the whole territory and are known as the “roof of the roof of the world”. The average elevation is about 4,500 meters and the highest altitude is 6,800 meters. 75,400 square kilometers. The water area is 1.6 square kilometers. The farm has 70 million mu of land and 0.73 million mu of cultivated land. 7,780 people (2003). During the period of the government of Xiaxia, Rito County was a Japanese soil sect. The Japanese sects are divided into two institutions: the sectarian government and the Lajan. The sect of government officials was directly appointed by the Gaza government from Lhasa. La Ranji Khanbu, appointed by the Lhasa Sera Monastery. In March 1961, Rito County was established, under the jurisdiction of the Xinjiang Uygur Autonomous Region, and in 1978, it was placed under the jurisdiction of the Ali Region. The county government is stationed in the town of Rito. Contains four towns and one town. Ritu County is a semi-agricultural and semi-pastoral county. The proportion of animal husbandry is large, and agricultural production is very limited. Native products mainly include ghee, skin, wool, beef and cashmere, split belly fish, and oblique toothed bare squid. Known mineral resources include gold, lead, chromite, borax, and salt.