Patients with pus in the ear canal should go to the hospital and rinse the ear canal with saline or hydrogen peroxide repeatedly to clean the pus in the ear canal, and then use levofloxacin hydrochloride ear drops or oxyfloxacin ear drops to do ear baths, preferably 2-3 times a day, which can effectively play a local anti-inflammatory and anti-swelling role. At the same time, patients also need to take oral antibiotics to treat, commonly used cefdinir dispersible tablets or cefixime dispersible tablets, and need to ask patients if they have any allergy history before using the medicine. After 3 days of active treatment, if the condition does not improve, consider using antibiotic drip, commonly used cefoperazone sodium injection or cefuroxime sodium injection. Patients can also go to the rehabilitation physiotherapy department with physiotherapy baking treatment, also can effectively promote the absorption of pus, in about a week of active treatment, the condition should have a significant improvement.