Getting up in the morning with bad breath may be physiological bad breath or pathologic bad breath, accordingly for brushing and other oral cleaning measures, treatment of oral and digestive diseases. Physiological bad breath: the amount of saliva secretion decreases at night when you sleep, resulting in bad breath, generally get up and brush your teeth, floss and other oral cleaning measures can be relieved. Pathological bad breath: may be oral inflammatory diseases, such as caries, periodontal disease, etc., which requires filling treatment and periodontal treatment. May also be digestive diseases, such as gastric ulcer, reflux esophagitis, etc., generally need to take gastric mucosa protection drugs, such as magnesium aluminum carbonate tablets. The medication should be used under the guidance of a doctor. It is recommended to consult the hospital in the morning, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.