The main producing areas of Euryale ferox are Yueyang in Hunan, Wangjiang in Anhui, Yangzhou in Jiangsu, Wuxian in Jiangsu and Zhaoqing in Guangdong, among which Jiangsu has the largest output. The price of Gordon Euryale shell is stable at 9.5- 10 yuan, and the domestic product is about half 19.5 yuan. The unification of 22 yuan; Xiaobian is probably 16 yuan. The current transaction price of broken rice is about 14 yuan, and the market has not changed much.