The common causes of swollen and painful gums are diseases such as gingivitis, apical periodontitis, and wisdom tooth pericoronitis. Should be based on the cause of the general treatment, drug treatment, surgical treatment and other methods of relief. 1. Gingivitis: you need to go to the hospital for cleaning and other operations to remove local irritants, you can take amoxicillin clavulanate potassium capsules, ornidazole tablets, ibuprofen and other drugs for treatment. 2. Periapical periodontitis: the pulpitis caused by tooth decay, further development of periapical periodontitis will be formed, the need for thorough root canal treatment to promote the recovery of apical inflammation, root canal treatment after the end of the wearing of dental crowns and other measures to protect. 3. Wisdom tooth peri-coronitis: saline, hydrogen peroxide can be used to alternate peri-coronary rinsing, if the local formation of abscess, can be cut and drained, the inflammation subsided after the removal of wisdom teeth. Gums are swollen and painful, it is recommended to go to the hospital in time for examination, the use of drugs need to follow the doctor’s instructions. You should also pay attention to oral hygiene, avoid taking stimulating food, brush your teeth and rinse your mouth on time.