Skin necrosis is the appearance of erythema, edema, blisters, and skin necrosis with thrombotic changes in the dermal microvessels. Skin necrosis is now a relatively common disease. Now a lot of people will suffer from skin necrosis this disease, especially for now a lot of office workers and middle-aged and elderly friends should be vigilant about the occurrence of skin necrosis, now basically the skin has been injured friends are prone to suffer from skin necrosis of the disease, then, skin necrosis to how to prevent it? Here to give you an introduction. 1, early diagnosis, early treatment, as far as possible to find the cause of the disease, the cause of treatment. 2.Corticosteroids have a good effect, can also be combined with immunosuppressive drug therapy. Local topical corticosteroid, and antihistamine drug treatment can be mildly improved. Such as dermatitis, skin light, skin cream. Loratadine, cetirizine and other drugs. 3, can also be combined with traditional Chinese medicine treatment, clearing heat and wind, detoxification and dispersal of knots. 4, winter dry, should drink more hot water. Eat more fresh vegetables, fruits to supplement vitamins, especially vitamin C also has a certain role in getting colds. At the same time soybean products, fish, shrimp and eggs can provide high-quality egg, thus enhancing the body’s ability to fight diseases. There are many causes of skin necrosis, the pathogenesis is not very clear, may be due to infection, please do not worry, we have to go to the hospital in a timely manner to seek medical treatment, do not delay the optimal period of treatment, so that early detection and early treatment, listen to the doctor’s guidance on time to take medication.