Ear swelling and pain may be related to auricular perichondritis, acute otitis externa, external auditory canal boils and other diseases, which can be treated with medication or surgery according to the specific conditions. 1. Auricular chondritis: when ear swelling and pain is caused by auricular chondritis, the cause may be mechanical irritation, infection, etc., such as pus can be treated with ceftazidime, cefoperazone sulphadiazine sodium and other medications; can also be taken under the flap of the cyst of the anterior wall of the cartilage excision and pressure bandage method. 2. Acute otitis externa: ear swelling and pain may be the main manifestation of acute otitis externa, you can use topical lomefloxacin hydrochloride ear drops, with oral cefadroxil tablets, cefixime and other antibiotics. Pay attention to local hygiene and dryness. 3. Boils on the external auditory canal: When the ear swelling is caused by boils on the external auditory canal, you can first apply local hot compresses and use mupirocin ointment and erythromycin ointment to reduce the inflammation; if boils are formed, you can pick through the pus head or make incisions to drain the pus, and then wash the affected area with hydrogen peroxide solution. The specific treatment plan and medication should be decided by the doctor, it is recommended to go to the hospital in time and follow the doctor’s instructions to standardize the use of medication and treatment of swollen ears.