Baishouwu is a genus gentian, also known as white ginseng. According to ancient books, Baishouwu was used in the late Tang Dynasty and was popular in the early Ming Dynasty. 95% of China's Baishouwu is produced in Binhai County, and Binhai County is the only hometown of Shouwu in China. "Binhai County" records that as early as the Qing Xianfeng years, farmers had planted Baishouwu and processed Shouwu powder.