Mr. Wang one day walking accidentally fell, foot skin abrasion a piece of skin, at that time did not care, thought it would soon be good. Who knows that the ulcer surface is getting bigger and bigger, and then seek medical treatment in many places, after a year of treatment, the wound did not grow on. After a year of treatment, the wound did not grow on. After a referral to the clinic, after investigation of lower extremity atherosclerosis blood supply, the combination of traditional Chinese and Western medicine treatment soon healed the wound. Patients like Mr. Wang is not uncommon. Long non-healing ulcers are often seen in the lower limbs, mainly caused by vascular lesions. Vascular lesions are divided into two types: one type is caused by insufficient blood supply to the arteries, this situation is mostly seen in the elderly, the common disease is atherosclerosis, diabetes, etc., some of which is due to minor injuries caused by skin breakage, some of which is due to tinea pedis, mosquito bites to the skin ulceration, some of which is not known reasons for the skin blisters, and later not healed for a long time. And often accompanied by localized pain and easy fatigue after walking, or accompanied by cold hands and feet. This type is called ischemic ulcer, the condition is more serious, if not treated in time, ischemia further aggravation can cause a wider range of ulceration, necrosis, some patients may even want to amputate. Therefore, this kind of disease should be diagnosed and treated in time, and the combination of Chinese and Western medicine can achieve good results. Another situation is caused by poor venous return, mainly in the lower limbs, often accompanied by varicose veins or swelling of the calf, ulcers around the skin black, itchy. This disease is commonly known as “old rotten legs”, known as “Polycarbonates” in traditional Chinese medicine, which occurs on the inner side of the calf called Polycarbonates, which occurs on the outer side of the calf called Polycarbonates, it is often said that “Polycarbonates outside the pollicization, eight years”, which shows the stubbornness of this disease, which is mainly caused by poor venous return. It is often said that “Polycarbonates and pollicized pollicized bodies can last for eight or ten years”, which shows that the disease is stubborn and difficult to heal, and is prone to recurring after healing. This kind of disease is called polycythemic ulcers, and only by fundamentally solving the problem of venous return obstacles can the ulcers heal and not recur.