Heavy breath that is, bad breath, bad breath in the morning may be physiological factors, through the adjustment of lifestyle relief; may also be caused by oral ulcers, periodontal abscess, pulpitis and other pathologic factors, can be under the guidance of the doctor to carry out targeted treatment, such as medication, surgical treatment, etc., there is no such thing as the “fastest” way to solve the problem. There is no such thing as the “fastest” solution. Pay attention to oral hygiene to reduce bad breath has a certain role. ⒈ adjust lifestyle: If you do not pay attention to oral hygiene, do not brush your teeth before going to bed and other bad habits can lead to bad breath in the morning. It is recommended that patients brush their teeth in the morning and evening, rinse after meals, you can also use dental floss to clean between the teeth to avoid increasing the risk of bad breath, usually quit smoking and limit alcohol, usually drink more water to ensure that the mouth is moist. Peel medication: oral diseases can also cause bad breath in the morning, such as oral ulcers, periodontal abscesses and so on. Patients with oral ulcers can use topical lidocaine gel, chlorhexidine gargle, cidadeine tablets and other drugs. Periodontal abscess can be preferred to local drug treatment, such as chlorhexidine solution, iodine glycerin and so on. Surgical treatment: For chronic periodontal abscess, flap surgery can be performed to treat it. If the bad breath in the morning is caused by pulpitis, direct pulp capping and root canal treatment are feasible. If the bad breath in the morning by adjusting the lifestyle relief is not obvious, should be timely to the hospital, clear cause, symptomatic treatment.