Banma County belongs to Guoluo Tibetan Autonomous Prefecture of Qinghai Province, located in the southeast of Guoluo Tibetan Autonomous Prefecture, the upper reaches of Dadu River, between 99°45 '-- 101°14' east longitude and 32°27 '-- 33°18' north latitude, bordering Aba, Rangtang and Seda Counties of Sichuan Province in the southeast, and adjacent to Seda County and Darii County of Sichuan Province in the west. The north is connected with Jiuji County. The total land area is 6,138 square kilometers, accounting for 8.03% of the total area of the prefecture. As of October 2021, Banma County had 31,794 people in 10,289 households.

Tang Zhenguan eight years (634 years), the Party attached to the ministry, today's Banma County into the Tang territory. In April 1955, Banma County was officially established. As of June 2020, Banma County has jurisdiction over one town and eight townships: Seletang Town, Dogunma Township, Makehe Township, Jika Township, Daka Township, Zhiqin Township, Jiangritang Township, Yaltang Township and Lighthouse Township. There were 32 village (pastoral) committees, 2 communities, and 113 agricultural (pastoral) production cooperatives. In 2018, the GDP of Banma County reached 419.8 million yuan, an increase of 5.9 percent over the previous year based on comparable prices. In 2020, by the end of the third quarter of the year, the gross regional product of Banma County was 249,520,400 yuan (calculated at the current price, calculated at the 2015 constant price of 229,746,000 yuan), an increase of 2.7% over the previous year. In 2020, the per capita disposable income of all residents in Banma County reached 14,315 yuan, a year-on-year increase of 7.6%.

On June 30, 2020, it was selected into the "second batch of revolutionary Cultural Relics Protection and Utilization piece list of counties". In October 2020, it was rated as the national model city (county) of double support. On September 8, 2021, it was selected into the county (city, district) pilot list of roof distributed photovoltaic development by the Comprehensive Department of the National Energy Administration. On August 27, 2021, Banma County was designated as a key rural vitalization county by the Office of the Central Rural Work Leading Group and the National Rural Vitalization Administration.