Swollen gums may be due to periodontitis, gingivitis, apical periodontitis and other diseases, need to take medication, surgical treatment for the cause of the disease. 1. Periodontitis: swollen gums may be due to periodontitis. Patients can apply or gargle medication under the guidance of the doctor, such as minocycline gel and other antibiotics, chlorhexidine acetate solution and other antibacterial drugs. If the patient by non-surgical treatment is not effective, the patient can also take subgingival scraping, flap surgery. 2. Gingivitis: swollen gums may also be caused by gingivitis. Patients can be under the guidance of the doctor, the local use of hydrogen peroxide solution, rinse the gingival sulcus. Or choose chlorhexidine and other antibacterial drugs rinsing. Timely medical treatment to remove the causative factor. 3. Periapical inflammation: Gums are swollen and also considered to be caused by periapical inflammation. Patients can take oral antibiotics under the guidance of the doctor, such as metronidazole. And take root canal treatment. If the patient has swollen gums, it is recommended that the patient go to the hospital to take relevant treatment measures.