Qianjiadian Town, a town under the jurisdiction of Yanqing District, Beijing, is located in the northeastern part of Yanqing District, between longitude 116°11′40″~116°30′28″E and latitude 40°36′27″~40°47′26″N. It is adjacent to Baoshan Town in Huairou District in the east and adjacent to Sihai Town in the south and Pearl Spring Town in the north. It is adjacent to Baoshan Township of Huairou District in the east, Sihai Township and Pearl Spring Township in the south, Liu Binbao Township and Xiangying Township in the west, and Dongmao Township of Chicheng County in Hebei Province in the north. The town area is 363.45 square kilometers.
In the early years of the Qing Dynasty, Qianjiadian area belongs to Dushikou Hall. In 1720, it belonged to Yanqing Prefecture. In the third year of the Republic of China (1914), it belonged to Guyuan County. In the 29th year of the Republic of China (1940), the Communist Party of China opened up the anti-Japanese base in Pingbei, which belonged to the joint county of Fengning, Luan (Ping) and Miyun. Republic of China thirty-six years (1947), assigned to the Sihai County. 1951, assigned to Chicheng County, Hebei Province. 1956, assigned to Yanqing County, for the Hongshiwan Township. 1958, the construction of Qianjiadian District, assigned to Beijing, and then changed to the Qianjiadian People's Commune, one of the four major people's communes in Yanqing County. 1983, the commune changed to the township. October 1995, the township changed to the township. August 1997, the flower pots, Shaliangzi and Hongqidian Townships were incorporated. As of the end of 2018, Qianjiadian Township had a household population of 11,309. As of June 2020, Qianjiadian Township has 1 community and 19 administrative villages under its jurisdiction, with the township government stationed at No. 32 Hougou in Qianjiadian Village.
In 2011, Qianjiadian town total financial income of 46.69 million yuan, including local financial income of 47,000 yuan, the same as the previous year. From the perspective of each major tax, the completion of sales tax 15,000 yuan, value-added tax 12,000 yuan, 20,000 yuan of corporate income tax.