After the discovery of necrotic gums should be timely to the regular hospital, under the guidance of professional doctors to remove the necrotic gum tissue, and then drug treatment or surgical treatment, such as the use of cephalosporin and nitroimidazole antibiotics. Gum necrosis is mainly caused by acute and chronic gingivitis, the symptoms mainly include bleeding gums, redness, swelling, heat and pain, as well as gingival recession, etc. This situation mainly occurs when the patient’s own resistance is relatively poor, poor nutrition or excessive fatigue. Therefore, when there is necrosis of the gums, should be timely to the regular hospital for treatment, under the guidance of professional doctors to remove the necrotic tissue of the gums, and then use 3% hydrogen peroxide solution to wipe the remnants of the trauma, which can inhibit the reproduction of anaerobic bacteria, and then use saline to rinse the trauma, but also the application of cephalosporin and nitroimidazole antibiotics to control the inflammation. In addition, the patient should pay attention to the oral cavity should be well cleaned and care, to do morning and evening brushing, rinse after meals, the use of soft toothbrush for oral cleaning, to develop good habits, to avoid exacerbation of the symptoms.