If the patient is inflamed on the outside of the ear, that is, the auricle is inflamed, you can use Bactrim ointment or erythromycin ointment to apply on the outside for anti-inflammation, also with antibiotic treatment. If the patient is not allergic to cephalosporin, he can take cephalosporin orally for 3 days. If the patient is inflamed inside the external ear canal, you can generally use levofloxacin hydrochloride ear drops to spot inside for local anti-inflammatory treatment, and it is also best to take oral antibiotics for 3 days for a more obvious effect. If the inflammation of the ear is very serious or the pain inside the ear canal is particularly obvious, even accompanied by fever, facial swelling, and neck swelling, it is often necessary to go to the hospital and, if necessary, may require hospitalization for intravenous drip treatment. Patients need to be careful not to dig their ears too often, and not to get water in the outer ear canal when washing their hair or taking a bath, to avoid ear infections.