Du Kang is the "ancestor of brewing" in ancient legends of China. Because of myth, its origin is controversial. One said that he was born in Baishui, Shaanxi. According to the Records of Baishui County during the reign of Qing Qianlong, "Du Kang, whose name was Zhongning, was a Kangjiawei native of the county and was good at making wine"; On the other hand, Du Kang was the legendary monarch of the ancient Xia Dynasty in China. His surname was Si, the son of Xia Wangxiang, and his mother's surname was Youshang. Cao Cao's "Short Songs" has a cloud-"Generous and unforgettable. Du Kang is the only one who can solve the problem.