Belt allergies can be treated by removing allergens, topical medications, and oral medications. 1. Remove allergens: do not wear the belt that causes allergy. 2. Topical medication: if the skin is oozing, apply 3% boric acid solution; if the skin is not oozing and only has erythema and papules, use glycerin lotion; if the condition is serious, use glucocorticosteroids, such as dexamethasone ointment; if there are skin lesions, apply antibiotic ointment, such as mupirocin ointment. 3. Oral medication: severe lesions can be taken orally anti-allergic drugs such as loratadine, cetirizine, paracetamol, etc., the condition is more serious can also be taken orally glucocorticoids such as prednisone acetate tablets. If the belt allergy, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor to standardize the treatment, follow the doctor’s instructions to use medication, do not self-medication, so as not to delay the condition.