Swelling and pain in the ear is the manifestation of acute otitis externa, the main clinical symptoms include swelling and pain in the ear, pain aggravated by pulling the auricle and chewing food, which may be accompanied by hearing loss, tinnitus, a sense of blockage in the ear, and in some patients, water and pus flow from the ear canal may occur. Treatment: Hot compresses on the ear can be applied 2-3 times a day for 30 minutes each time. Promptly clean up the secretion of the external ear canal and keep the drainage smooth. Dietary attention to quit smoking, alcohol, avoid spicy, fishy food, timely application of antibiotics to control infection. If the swelling and pain is serious or the symptom relief is not obvious, you should consult the doctor and check in time to prevent complications.