Gums appear red and swollen with trauma, gingivitis, periodontitis, pericoronitis, etc., the patient can follow the doctor’s instructions for medication or other treatments. 1. Trauma: trauma caused by redness and swelling of the gums can be early ice packs, hot compresses to ease the way, if not accompanied by bleeding, pain and other conditions, you can not do special measures, with the passage of time feasible recovery. 2. Gingivitis: clear gingivitis caused by gingival redness and swelling, can follow the doctor’s instructions with 1% ~ 3% hydrogen peroxide solution rinse gingival sulcus, 0.12% ~ 0.2% chlorhexidine with gargling and so on. Most of the patients after the inflammation subsides, the shape of the gums return to normal, daily grasp of the correct way of brushing, reasonable use of dental floss. 3. Periodontitis: If periodontitis is caused by tartar accumulation, you can cooperate with the doctor to perform gingival scaling, subgingival scraping to remove tartar, and some patients can also take metronidazole, azithromycin and other antibiotics as prescribed by the doctor, as well as localized minocycline gel, chlorhexidine acetate solution and other drug therapy. Periodontitis is a serious case of flap surgery, bone grafting and other surgical treatments. 4. Peri-coronitis: peri-coronitis can be prescribed with saline, 1% ~ 3% hydrogen peroxide solution to rinse the blind pocket, after meals can be used to compound borax solution or furacilin liquid gargle. If the gums around the formation of abscess, then under local anesthesia for incision and drainage. When the inflammation improves, it can be extracted. There are many causes of red and swollen gums, such as pulpitis, periapical inflammation, wisdom teeth eruption and so on. It is recommended to consult a doctor for examination, to clarify the cause of the disease and follow the doctor’s instructions for treatment, and pay attention to daily oral care.