Infants have a lot of yellow crusts on the edge of the ear, this situation is considered eczema with infection is likely, need to clean up the wound, anti-inflammatory and anti-allergy treatment. But also need to be alert to secretory otitis media with tympanic membrane perforation. 1. Infants exposed to certain allergic substances are prone to eczema on the surface of the skin, especially on the head and face is more likely to occur, the surface of the skin will be congested, vesicles, blisters, infected with liquid exudate, drying after the phenomenon of scabs. 2. You can use saline or hydrogen peroxide to clean the yellow scabs on the surface of the ear, and then apply mupirocin ointment locally. For the parts of the ear where the skin is not oozing, you can use hormonal ointment to carry out anti-inflammatory and anti-allergy treatments, such as hydrocortisone butyrate cream and dianabed cream. 3. During the treatment, keep the ear skin clean and dry, and avoid rubbing the affected area with hair. If your baby develops the above symptoms, you should consult a doctor in time and be alert to the possibility of secretory otitis media accompanied by tympanic membrane perforation. Treatment should be carried out according to the doctor’s instructions.