Hydrogen peroxide, a 3% hydrogen peroxide solution, usually does not burn eardrums when used for ear washing. The 3% hydrogen peroxide solution can be used to treat patients with inflammatory diseases of the external ear canal, chronic otitis media, and in combination with tympanic membrane perforation without causing damage to the eardrum. At the same time, under the guidance of the doctor, in addition to the use of hydrogen peroxide to clean the external auditory canal, but also with antibiotic ear drops and other treatment. Usually do not use sharp instruments to dig and pull out the ear, avoid water in the ear canal, so as not to damage the external ear canal caused by otitis externa. Diet should be light, and should eat less spicy and stimulating food, try to avoid using in-ear headphones. Medications should be used under the guidance of a physician.