General skin allergy refers to allergic skin disease, commonly used compound camphor, hydrocortisone, tacrolimus and other creams to stop itching. Allergic dermatosis refers to the disease caused by allergen stimulation, in the clinic can be divided into hives, eczema, contact dermatitis and other types according to the mechanism of perversion, the treatment drugs are basically the same. Usually, patients with allergic dermatosis need to use compound camphor cream and other antipruritic agents under the guidance of a doctor. At the same time, it is also necessary to follow the doctor’s instructions to use topical hydrocortisone cream, mometasone furoate cream and other glucocorticosteroid drugs, can effectively relieve itching skin. Secondly, some patients may need to use calcium-modulated phosphatase inhibitors, such as tacrolimus ointment and pimecrolimus ointment, as prescribed by the doctor. Patients should avoid re-exposure to allergens, do not scratch the affected area, and pay attention to local skin hygiene. It is recommended that patients with itchy skin go to the hospital and follow the doctor’s instructions to use medication, do not take medication without authorization, and at the same time, need to strengthen the management of daily life.