The principle of treatment for bacterial dermatitis is mainly antibacterial and anti-infective treatment, together with anti-allergic treatment. The specific methods of treatment can be divided into the following categories: 1. oral drug therapy is required: oral antihistamine drugs such as olopatadine hydrochloride tablets and epinastine hydrochloride capsules can be taken, together with oral antibacterial and anti-infective drugs such as amoxicillin capsules and roxithromycin capsules, and compound glycopyrrolate capsules can also be applied to strengthen the effectiveness of anti-allergy and immune enhancement. 2. treatment with topical drugs: this type of dermatitis should try Do not apply glucocorticoid ointment, because hormonal ointment can cause aggravation of bacterial infection, wet dressing skin Kang solution 2 times / day, 15 minutes / time, dressing after the application of antibacterial, anti-infective ointment such as fusidic acid ointment, compound polymyxin B ointment.