Swollen and painful gums a touch very smelly need to be treated according to the cause, such as wisdom teeth pericoronitis, periodontal disease, dental caries, etc., after a clear diagnosis, choose general treatment, drug treatment, filling treatment, scaling treatment and other ways. 1. Wisdom tooth pericoronitis: Wisdom tooth pericoronitis can show the phenomenon of swollen and painful gums, a touch of very smelly phenomenon, the treatment can be treated with antibiotics, such as metronidazole, amoxicillin, and at the same time with the pericoronary flushing to control the inflammation, the inflammation reduces the consideration of wisdom teeth extraction. 2. Periodontal disease: gingivitis, periodontitis can also cause the phenomenon of swollen and painful gums, a touch of very smelly. Treatment can choose periodontal treatment, such as gingival scaling, subgingival scraping, if there is an abscess, you can choose hydrogen peroxide, saline rinse. If the disease is more serious, it is necessary to take periodontal surgery. 3. Periapical inflammation: pulpitis will lead to periapical inflammation if it is not treated, and periapical abscess will break out from the gums, leading to swollen and painful gums and other symptoms, which require thorough root canal treatment to cure. Gums are swollen and painful a touch very smelly reasons, after the symptoms are recommended to go to the hospital in a timely manner to improve the examination, in accordance with the doctor’s instructions to take standardized treatment, not to private treatment, so as not to lead to adverse consequences, the use of drugs need to comply with the doctor’s instructions.