Infant ear pus may be caused by acute otitis externa, acute suppurative otitis media, external auditory canal eczema and other diseases, you can use a cotton swab to clean up the ear pus, according to different types of diseases to choose the appropriate drug treatment to improve the symptoms. 1. Acute otitis externa: infant ear pus may be sewage into the ear caused by infection, you can use a cotton swab to clean up the ear pus in time, keep the local dry, application of of ofloxacin ear drops ear bath. 2. Acute suppurative otitis media: when the pus in the baby’s ear is caused by acute suppurative otitis media, you can take cefaclor suspension orally and use levofloxacin ear drops to control the infection. 3. Eczema of the external auditory canal: infant ear pus if it is caused by eczema of the external auditory canal, oozing more can be used 3% boric acid solution wet compress. Less ooze or no ooze can be coated with prednisone cold cream or ointment, zinc oxide oil or paste. If there are dry scabs, 3% hydrogen peroxide solution can be used to wash and wipe dry, coated with the above liquid or ointment. Parents can take their babies to regular hospitals when they find pus in their ears. The use of medication and treatment should be directed by a specialist.