Feeling bitter in the mouth every morning may be related to the following factors: 1, oral problems: such as gingivitis, periodontitis, oral examination can be conducted, if this is the case, the dentist can then deal with it and eliminate the symptoms; 2, poor peristaltic function of the digestive tract: leading to bile reflux, you can apply some of the drugs that promote the peristaltic function of the gastrointestinal tract, such as Si Mo Tang, morbutine, etc., to restore the peristaltic function of the stomach and intestines 3, related medical diseases: such as diabetes, hepatitis, liver cirrhosis and other medical diseases, can lead to internal environmental disorders, the appearance of bitter mouth feeling, need to be treated for the relevant causes. Hepatitis is treated for virus and alcohol to protect the liver and liver protection, and diabetes is treated by lowering sugar. The symptoms of bitter mouth can be treated effectively and reasonably only after the clinical cause is found.