Swollen and bulging gums can have a variety of causes, and different causes of swollen and bulging gums are treated differently. Common causes of swollen and bulging gums include gingivitis, periodontitis, calculus, periodontal abscess or periapical periodontitis. The treatment is generally directed at the causes of swollen gums: 1, gingivitis: generally due to improper cleaning resulting in inflammation of the gum tissue, can be handled by focusing on gum cleaning, removing plaque, and using germicidal rinses, etc. If the gum bulge is accompanied by more bleeding, medication can be applied in the gum sulcus; 2, periodontitis: swollen and bulging gums caused by periodontitis. It is usually also accompanied by symptoms such as larger gaps, gum recession, and loose teeth. The general treatment is to pay attention to oral hygiene, regular scaling, treatment of food embedding, filling cavities and so on. At the same time, you can also take antibiotics such as metronidazole or use medical mouthwash containing chlorhexidine acetate for treatment; 3, calculus: calculus, especially subgingival calculus, can easily cause swelling and bulging of gums. Surgical treatment is required. Commonly used surgery for flap surgery, can achieve the purpose of eliminating periodontal pockets, make periodontal pockets shallow; 5, periapical inflammation: generally poor oral hygiene or pulp disease secondary to infection, etc., can cause swollen gingival bulge, through oral antibiotics, such as metronidazole treatment, in serious cases need to drain the pus, to be controlled after the inflammation of root canal treatment or tooth extraction; 6, gingival tumor: is the periodontal membrane or alveolar The patient can have the performance of gum swelling, which is a pseudotumor, and can be treated by local injection of sclerosing agent, or treated by physical means such as microwave and laser, or the lesion can be surgically removed.