A significant proportion of our outpatients are seen for chronic trauma. What we mean by chronic trauma is mainly based on the duration of the disease. Among the chronic traumas, a large proportion of people see old rotten feet. Old rotten feet, in medical terms, are called varicose ulcers of the lower extremities. The cause of this disease is varicose veins in the lower limbs, damaged venous valves, venous return obstruction, lower limb skin ischemia and hypoxia, skin tissue is not nourished, skin color darkened, or even blackened. Local itching often, scratching or touching will be broken, not easy to heal. After healing, the ulcers often return. Some patients do not heal for years or even for several years. It affects the quality of life and is extremely painful. First of all, this disease can be cured, we improve the blood circulation of the lower limbs through internal Chinese medicine, external application of Chinese medicine ointment, powder, liquid and other combined means of Chinese and Western medicine, internal treatment and external treatment to promote the healing of the wound. Second, because the disease is easy to recur, so you need to pay attention and protection in your life. After walking, standing or sitting for a long time, please elevate the affected limb to help reduce the swelling. If you have a wound, you should not immerse it in water, and you should take care when bathing and washing your feet. It is recommended that you frequently bind the lower leg with an elastic bandage to help blood circulation in the lower limb. It is best not to scratch with your hands when itching, so as not to scratch. Finally, patients with severe varicose veins and a lot of bleeding after breaking can consider surgical treatment.