For people prone to skin allergies, first of all, they should actively search for allergens, common allergens include food, drugs, airborne floaters, inhalants, etc. It is generally recommended to go to the hospital for a professional examination, including skin prick test and autologous serum skin test, of which the skin prick test is a more convenient, economical, safe and effective method of diagnosing allergens. Secondly, after determining the allergens, allergy-prone people need to pay attention at all times to avoid contacting the allergens, and at the same time, they can follow the doctor’s advice and carry anti-allergy medications with them. When allergens cause mild skin allergies, such as only redness, mild itching, etc., you can apply glucocorticoid drugs to relieve the symptoms, when the allergic reaction is severe, such as the emergence of serious skin ulcers and even breathing difficulties, should promptly consult a doctor, drip hormone drugs, while symptomatic treatment, if necessary, can also be desensitization treatment. In addition, skin allergy prone to people in the living and daily skin care should also pay attention to, should always maintain a good diet, avoid eating high-fat, high-sugar, cold and spicy food, at the same time should pay attention to adequate sleep, avoid staying up late, appropriate exercise, keep the skin clean, the use of mild cleansing lotion, skincare products and so on.