The meat on the side of the teeth swells up painfully usually due to a large gap between the teeth and gums, or poor oral hygiene cleaning, resulting in food debris and bacteria in the gap retention, a longer period of time can lead to local inflammation, redness, swelling, pain, pus and other phenomena. For example, the common clinical gingivitis, periodontal abscesses, etc.: 1, gingivitis: mostly related to poor oral cleaning, tartar, food embedding, dental misalignment and crowding, mainly manifested as gingival congestion, redness and swelling, some patients can feel the root local itch, swelling, discomfort, gum pain and bad breath and other symptoms, brushing teeth or biting hard objects can also appear gum bleeding. The irritating factors need to be removed, and hydrogen peroxide can be used for rinsing under the guidance of the doctor to remove plaque, tartar and other undesirable factors. It is also necessary to maintain oral hygiene, take the correct way to brush teeth, floss to remove food debris after eating, and rinse after meals to help improve the symptoms; 2, wisdom teeth pericoronitis: due to the lack of space for tooth eruption resulting in improper location of teeth, the formation of blind pockets between the gums and the crown, which can hide food debris, exudates, etc., so as to breed bacteria, when the human body resistance is reduced, prone to wisdom teeth pericoronitis. This condition is clinically recommended to remove the wisdom tooth, and auxiliary oral cefixime, metronidazole, ibuprofen and other antibiotics for treatment; 3, periodontal abscess: this disease is related to the aggravation of periodontitis, scaling tartar fragments pushed into the deep periodontal tissue or gum tissue damage, improper pulp treatment, etc.. Most accompanied by local swelling and protrusion of the gums, gum redness, pain, loose teeth, fever, weakness and other symptoms, the need for timely application of antibiotics to control infection, such as metronidazole, cefadroxil, etc., for more serious patients should also be surgical treatment; 4, gingival tumors: for the gums on the growth of limited reactive hyperplasia, the formation of most of the local irritation and chronic inflammation related. Mostly round, oval, sometimes lobulated, red, the surface ulcers can be consciously painful, resulting in patients consciously gingival swelling and pain phenomenon. Treatment is usually based on surgical procedures and the removal of irritants such as plaque, tartar and poor restorations.