Bleeding gums and bad breath is considered to be gingivitis, periodontitis, calculus accumulation, etc., can be prescribed medication or other treatments. 1. Gingivitis: If gingivitis is caused by plaque and tartar, the patient can seek medical treatment through scaling and cleaning, and the inflammation can subside after eliminating the factors that stimulate the gums. If the gingivitis is more serious, you can cooperate with the doctor for local use of 1% ~ 3% hydrogen peroxide solution rinse gingival sulcus, can also be used 0.12% ~ 0.2% chlorhexidine with gargle. 2. Periodontitis: If it is clear that it is caused by dental calculus, it can be removed through surgical methods such as supragingival scaling and subgingival curettage. Some patients with periodontitis can follow the doctor’s instructions systemic use of metronidazole, tetracycline, amoxicillin and other drugs to eliminate the periodontal pockets of pathogenic bacteria, but also localized use of minocycline gel, chlorhexidine acetate solution and so on. If the disease is serious, it is feasible to turn the flap surgery, bone grafting treatment. 3. Calculus accumulation: too much calculus will cause the patient’s gums bleeding bad breath, patients can seek medical treatment through the gingival scaling, subgingival scraping treatment. It is worth noting that the installation of pacemakers, pregnancy, infectious diseases and other special people, should not do ultrasonic scaling. There are many reasons for bleeding gums and bad breath, so it is recommended that patients consult a doctor for examination and treatment as prescribed by the doctor after clarifying the disease. Pay attention to daily oral hygiene, brush your teeth and rinse your mouth in time after meals.