Bad breath and bleeding gums may be caused by the patient’s poor oral hygiene, which makes plaque adhere to the edge of the gums, leading to the symptoms of bleeding gums and bad breath. Patients can be treated by changing the brushing method, scaling and applying medication as prescribed by the doctor. 1. Change the method of brushing teeth: when the patient has bad breath and bleeding gums, the first thing to do is to change the method of brushing teeth, maintain oral hygiene, insist on brushing teeth in the morning and evening, and rinse the mouth after meals, so as to prevent the formation of dental calculus. 2. Scaling: poor oral hygiene leads to calcification of plaque to form calculus, and then gradually stimulate the gums, so that the gums are affected by inflammation, resulting in bad breath and bleeding gums. Patients can follow the doctor’s instructions through the ultrasonic scaling, with the machine’s high-frequency vibration will be a little bit of calculus from the attached teeth, broken, to achieve the effect of the treatment of bad breath and bleeding gums. 3. Application of drugs: If the gum inflammation is obvious, in the periodontal basic treatment at the same time, you can use mouthwash gargle, such as compound chlorhexidine. If long-term bad breath and bleeding gums, you should go to the hospital in time to avoid delaying the condition and causing adverse consequences. The use of drugs should follow the doctor’s instructions.