中药材杜仲为杜仲科落叶乔木杜仲的树皮。杜仲树生于较暖温的地区,现以栽培为主,偶有野生,四川、云南、贵州、陕西、湖北、河南、江苏为主产地,广西河南等地亦有种植。汉代我国第一部药学专著《神农本草经》中即有“杜仲味辛平,主腰脊痛、补中益气、坚筋骨强志、除阴下痒湿、小便余沥、久且轻身耐老”的 The Chinese medicinal material Eucommia ulmoides is the bark of the deciduous tree Eucommia ulmoides of the Du Zhongke family. Du Zhongshu was born in a relatively warm and warm area and is now mainly cultivated. Occasionally, it is wild. Sichuan, Yunnan, Guizhou, Shaanxi, Hubei, Henan and Jiangsu are the main producing areas, and Guangxi and Henan are also planted. In the Han Dynasty, China’s first pharmacy monograph “Shen Nong Ben Cao Jing” had “Euphorbia euphratica xinping”, main lumbar spine pain, Buzhong Zhongqi, strong bones, strong ambition, itch and dampness, urinary leakage, long and light. Old-fashioned