Daxing District is a district of Beijing, covering the southern suburbs of the city. It borders the Beijing districts of Tongzhou to the east/northeast, Fangshan to the west, Fengtai to the northwest, Chaoyang to the northeast, and the Hebei province to the south.

The Yizhuang Line of the Beijing Subway is a rapid transit line that connects the Yizhuang Development Area with Beijing's subway network. The line is 23.23 km (14.43 mi) long with 14 stations, including six underground and eight elevated. It runs from Songjiazhuang in Fengtai District to Yizhuang Railway Station in Tongzhou District and passes through the southern Chaoyang and northern Daxing Districts. Total investment for the line was estimated at ¥1.2 billion. Construction began on December 8, 2007 and the line opened on December 30, 2010. Yizhuang line's color is magenta.