Bleeding gums and bad breath, need to find the causes of bleeding and bad breath, remove external stimuli, local targeted anti-inflammatory treatment. 1. Remove external stimuli. Bleeding gums and bad breath may be the edge of bad restorations to stimulate the gums caused by gingivitis, while restorations and teeth are not close to cause bad breath, need to remove the bad restorations, re-restoration, bad breath and gingivitis will also slowly disappear. If the oral cavity in the calculus, soft tartar accumulation, will also cause bleeding gums and bad breath, need to carry out periodontal scaling, remove tartar plaque. 2. Local anti-inflammatory treatment. After removing the external stimulus, local use of povidone-iodine medicine, or oral antibiotics (metronidazole) to prevent infection. Bleeding gums and halitosis is recommended to go to the hospital in time to check the cause, targeted treatment, the use of drugs need to follow the doctor’s instructions.