When skin allergy occurs, erythema and papules can appear around the body, accompanied by itching, and in serious cases, there will also be liquid exudation. The specific treatment of skin allergy is as follows: 1. Medication: Desensitization medication, patients can take oral compound glycyrrhizin tablets and fexofenadine hydrochloride tablets, and also oral moistening and anti-itching capsules. In terms of topical medication, if allergic dermatitis occurs on the face, you can choose to mix tacrolimus ointment and urea vitamin E cream for topical use. 2, physical therapy: If oral medication is used in the acute phase of skin allergy treatment, after remission into the stable phase, you can also choose to carry out photorejuvenation, laser treatment, and hydraluminescence treatment. The treatment of hydro-needle, to better repair the skin barrier, while in the treatment period need to avoid spicy, stimulating food, alcohol, and must pay attention to sun protection.