The Ming Dynasty belonged to Lin 'an Prefecture.
The Qing Dynasty belonged to the Hua Kai government.
In the second year of the Republic of China (19 13), Jingbian administrative region was established.
In the 21st year of the Republic of China (1932), the provincial government changed Jingbian administrative region to county administration.
In the 22nd year of the Republic of China (1933), Pingbian County was officially named in May, which means frontier fortress.
1950 belongs to Mengzi area,
1957 belongs to Honghe prefecture.
1960 In March, Pingbian and Hekou counties merged to form Hekou Yao and Miao Autonomous County.
1April, 963, Pingbian and Hekou counties were divided.
In July 1963, Pingbian Miao Autonomous County was established in Honghe Prefecture.