It is distributed in Japan, Korea, Taiwan Province Island, Russia and Chinese mainland's Guizhou, Fujian, Hebei, Henan, Tibet, Shandong, Jiangxi, Heilongjiang, Sichuan, Shaanxi, Jiangsu, Yunnan, Anhui, Shaanxi, Zhejiang and other places. It grows in areas with an altitude of 230 meters to 4,700 meters, and is found in fields, roadside hillsides, riverside shrubs and rock crevices. At present, it has not been artificially planted. Also known as bitter vegetable, cold hemp and August old.