杜仲系乔木类植物的树皮，经加工洗净、干燥，盐水泡制后为药，用于临床。性味甘温，归肝肾二经。此药补肝肾、强筋骨、安胎功用广为人知。临床常适用于肾阳素亏，劳损过度，头目眩晕，肾气亏损，听力减退，腰膝酸痛，痿软无力，小便次数频而清．尿后余沥等。《本经》所云：“主 The bark of Eucommia arbors is processed and washed, dried and salted and used as a drug for clinical use. Sweet and warm, the liver and kidney two classics. This medicine is widely known for its functions of reinforcing liver and kidney, strengthening bones and bones, and fetal toning. Clinical application is often applied to kidney yang deficiency, excessive strain, head vertigo, kidney loss, hearing loss, waist and knee pain, cramps weakness, frequency of frequent urination. After the urine left Lek and so on. ”The Classics“: ”Master