Introduction to Maguan: Maguan County is a county in Wenshan Prefecture. The county is a county with borders, ethnic groups, poverty and mountainous areas. In the second year of the Republic of China (1913), it was renamed because it had the same name as Anping County of Guizhou Province. Maguan County is located in the southeastern part of Yunnan Province, connected to Malipo County in the east, and across the Long River from Xiqiao County. It is bordered by the old streets of Vietnam and the Tuen Mun, Xinma Street and Yellow Bark of the Hejiang River. The four counties of Mengkang are connected, the southwest is close to the Hekou and Pingbian counties of Honghe Prefecture, and the north is connected with Wenshan County. As of 2010, Maguan County has a land area of ​​2,767 square kilometers, including 4 townships and 9 towns. The border line is 138 kilometers long; there are 11 ethnic groups with 367,507 people, including 186,370 ethnic minorities such as Zhuang, Miao and Dong, accounting for 50.71%.