Ear pain after swimming may be otitis externa, suppurative otitis media, otitis externa and other diseases caused by the cause of the need to take medication, physical therapy. 1. Otitis externa: for acute otitis externa, patients who need to clear the secretion of the external auditory canal need to follow the doctor’s instructions to use ciprofloxacin and ofloxacin ear drops, and in serious cases, they need to use ciprofloxacin and cefadroxil antibiotic systemic therapy. 2. Purulent otitis media: Typical symptoms are earache and tinnitus. Patients need to follow the medical advice to use amoxicillin, cefradine and other antibiotics. Chronic purulent otitis media patients can follow the doctor’s instructions for local use of 0.3% levofloxacin ear drops, rifampicin ear drops and other antibiotics, as well as 3% to 4% boric acid glycerin. 3. Eczema of the outer ear: due to the itching of the ear, constantly scratching the skin secondary infection, then there will be ear pain. Patients need to follow the doctor’s instructions to use glycerine lotion for local cleaning, or use boric acid solution local wet compresses. If the symptoms are serious, you can use antihistamines such as loratadine as prescribed by the doctor, and if there is an infection, you can take amoxicillin and other drugs as prescribed by the doctor. It is recommended that patients with earache after swimming go to the hospital, to clarify the cause of the disease, and cooperate with the doctor to actively treat the original disease.