Swelling and pain on the nail side of the bunion may be caused by trauma, or it may be due to onychomycosis, nail bed abscess, etc. Treatment mainly includes conservative treatment and surgical treatment. 1. Trauma: heavy or violent injuries to the toes can lead to pain and swelling of the nail bed of the bunion. After the injury, the affected limb should be elevated and rested fully, and a cold compress should be applied locally within 72 hours. If there is skin damage and bleeding, the skin should be cleared and changed in a timely manner, and if there is any suspicion of a fracture, the patient should be seen by a hospital in time for a checkup. 2. Nail Inguinitis: Acute nail inguinitis in the early stages of the onset of patients need to rest, the use of 75% alcohol dressings on the affected area, play a role in local anti-inflammatory, absorbing heat, reduce edema, the infection is serious patients, you can choose antibiotic treatment such as cephalosporin, penicillin, and so on. 3. Nail bed abscess: the further development of onychomycosis may lead to nail bed abscess, manifested by severe pain, local fluctuation, nail bed tension and other symptoms, most of the need for surgical treatment, incision and drainage, the infection is serious, can be extracted, and then anti-infective treatment after the operation. There may be other reasons for the swelling and pain on the side of the nail of the bunion, so it is recommended that the patient consult a doctor in time for standardized treatment. The above medications should be used under the guidance of a doctor, avoiding self-medication.