Zhengxing (simplified Chinese: 正兴镇; traditional Chinese: 正興鎮; pinyin: Zhèngxīng Zhèn) is a town in Jinggu Dai and Yi Autonomous County, Yunnan, China.

The town is bordered to the north by Weiyuan Town and Fengshan, to the east and south by Ning'er Hani and Yi Autonomous County, and to the west by Yizhi Township.

Commercial crops include tobacco, natural rubber, and vegetable.

As of 2020, the National Bureau of Statistics of China estimates the town's population now to be 20,476.

[3] The China National Highway 323 passes across western Zhengxing.