Polyposis, also known as polyposis, is an ulcer that occurs above the ankle joint in both lower limbs. It is a disease caused by venous reflux obstruction or venous valve insufficiency in the lower extremities. The clinical manifestations are: hyperpigmentation of the lower leg above the ankle, hardening of the skin, or dry, flaky and itchy. If the ulcer occurs on the inner side, it is called internal polyposis, and if it occurs on the outer side, it is called external polyposis. Because of the long course of the disease, the patient suffers a lot, and it is difficult to be completely cured and easy to recur after healing. The basis of this type of ulcer is the high blood pressure in the lower leg above the inner ankle, slow metabolism and extravasation of blood cells. At present, there are three preventions and four treatments in domestic prevention and treatment. The first is timely treatment of lower limb superficial varicose veins and lower limb deep vein thrombosis, these two diseases are the most common cause of ulcer formation, especially the lower limb superficial varicose veins or thrombosis patients in the early stage do not pay attention to protection and early treatment, is an important cause of ulcers, followed by symptomatic treatment of the lower limb superficial phlebitis, lymphangitis (dermatitis), pigmentation only. Generally, this type of disease is faster and more thorough with the combination of surgery and conservative treatment with Chinese and Western medicine. In addition, the formed ulcer can be implemented chronic ulcer repair or ulcer peri-suture ligation, take local decompression type therapy, the wound surface and then topical muscle growth ointment or epidermal growth factor topical total attack treatment program general wound surface can be cured in about 2 weeks. The four preventive measures for the old rotten leg are: 1, adhere to three times a day lying down, elevate the affected limb 30 degrees for 30 minutes each time. 2, daytime activities out of bed is to insist on wearing elastic stockings to prevent or relieve the ankle high pressure stasis state. 3. Avoid eating spicy and fishy wine products. 4.Eat more bean food. In short, the combination of prevention and treatment, as soon as possible to eliminate the disease is currently not difficult to do!