Ointment skin allergy is because the composition of the ointment on the skin, is a sensitizing substance, can cause the skin to produce allergic allergic reactions, in the clinical situation can be manifested as a clear erythema, papules, blisters, or even the emergence of vesicles and oozing, you should avoid re-application of the ointment. In the treatment, glucocorticoid creams can be applied, such as Dinaid cream or fluticasone propionate cream, and oral loratadine tablets or cetirizine tablets can be taken if the itching is obvious. Specific diagnosis and treatment is recommended to go to the regular hospital as soon as possible under the guidance of the clinician to give reasonable treatment, to avoid delaying the condition.