Mung bean flour is produced in Shiqian County, Tongren City, Guizhou Province.

Mung bean flour has a long history and can be roughly divided into two major factions, mung bean flour from southeastern Chongqing and mung bean flour from southwestern Hubei. Made using traditional processes. Mung bean flour is a specialty of southeastern Chongqing and one of the most famous local snacks. It is mainly distributed in the fringe areas of Chongqing, such as Qianjiang, Youyang, Xiushan, etc. It is also a food of ethnic minorities and has a long history.