Changyang Town, a town under the jurisdiction of Fangshan District, Beijing, is located between longitude 116°09′03″~116°14′50″ East and latitude 39°37′59″~39°49′29″ North. It is located in the east of Fangshan District, bordering Daxing District on the east across Yongding River, neighboring Doudian Town on the southeast, connecting with Liulihe Town on the south, neighboring Liangxiang Town and Gongchen Street on the west, and adjoining Fengtai District on the north. The town area is 91.3 square kilometers. During the Western Han Dynasty and Northern and Southern Dynasties and Northern Qi Dynasties, Changyang Town belonged to Guangyang County. In 1916, it belonged to the eighth north district of Liangxiang County, and in 1958, it belonged to the Beijing Municipal Farm Bureau, and in 1961, it belonged to the Changyang and Hulufa Communes of Fangshan County, and in 1966, the Hulufa People's Commune was merged into the Changyang People's Commune, and in 1968, the Hulufa People's Commune was separated from the Changyang People's Commune, and in 1971, it was transformed into the Sino-Cambodian Friendship People's Commune. In 1983, the commune was transformed into Changyang Township and Hulufa Township.In 1986, it was part of Fangshan District.In 1989, the township was transformed into a town.In 1998, Changyang Farm was merged into Changyang Township.In 2001, Hulufa Township was merged into Changyang Township, which formed the present-day jurisdiction. As of the end of 2018, Changyang Town has a registered population of 61,870. As of October 2019, Changyang Township has 24 communities and 36 administrative villages under its jurisdiction, with the township government located in the north of Changying Village. In 2011, the total industrial output value of Changyang Town reached 1.88 billion yuan, an increase of 9.8% over the previous year, with an industrial added value of 180 million yuan. The total financial income of 476.082 million yuan, an increase of 78% over the previous year. Of which 240 million yuan of local revenue, an increase of 65% over the previous year. Completed tax revenue of 1042.61 million yuan, an increase of 65% over the previous year. From the point of view of each major tax, the completion of business tax 619.45 million yuan, value-added tax 49.71 million yuan, corporate income tax 155 million yuan, land value-added tax 143.14 million yuan, respectively, an increase of 73% over the previous year, 9%.11%, 178%. Per capita fiscal revenue of 13,341 yuan.