Allergic dermatitis can be relieved by medication and physical therapy. 1. Drug treatment: Oral drugs can choose antihistamines, such as loratadine, cetirizine, etc., which can play an anti-allergic effect. Topical medication is mainly glucocorticoid ointment, commonly used are hydrocortisone butyrate ointment, dianabed ointment, mometasone furoate ointment and so on. 2. Physical therapy: such as phototherapy, the use of phototherapy methods are mainly UVA phototherapy, i.e., long-wave ultraviolet radiation therapy and UVB phototherapy, i.e., medium-wave ultraviolet radiation therapy. You can also choose cryotherapy, such as liquid nitrogen freezing. In addition, it is recommended that patients with atopic dermatitis go to the hospital in a timely manner, follow the doctor’s instructions for treatment, to avoid delaying the condition.