Limb ulcers are an important complication of systemic scleroderma, and persistent and recurrent ulcers can cause severe pain, infection, gangrene, functional impairment, and decreased quality of life, causing great suffering to patients. Because of this, the study of scleroderma extremity ulcers has become a hot issue for research in recent years. 1, avoid spicy things such as chili, hot sauce, spicy oil, Sichuan pepper, curry, leek, garlic, mustard and other spicy things, have to promote blood circulation, promote the role of damp heat in the body, after eating will make the fire on the oil, so that the inflammation spread. 2, avoid alcohol can make the ulcer surface expansion, the spread of bacterial infection. 3, avoid fire products such as mutton, venison, garlic, etc., so that the ulcer is not easy to heal. 4, avoid fishy seafood seafood hair ulcer at the beginning, should not be eaten. 5, avoid fried, barbecued, high-fat food, can aggravate the disease.