If the bitter mouth is accompanied by dry mouth, it is recommended to do gastrointestinal examination and metabolic disease examination first. When suffering from gallbladder diseases, such as bile duct stones, cholecystitis, abnormal bile duct function, and other diseases, abnormalities in the gallbladder discharge some mono, it is likely to have symptoms of bitter mouth. If it is accompanied by a lack of semen, there will also be symptoms of dry mouth. But when there is an abnormality in the gastrointestinal function, such as poor digestion in the stomach, resulting in the weakening of the gastrointestinal power, food accumulates in the gastrointestinal tract for a long time, there will also be symptoms of bitter and dry mouth. You can first use some gastrointestinal motility drugs and anti-inflammatory drugs for treatment, such as domperidone and other motility drugs and quinolone anti-inflammatory drugs, used continuously for about a week, generally can make the inflammation in the gastrointestinal tract and the inflammation of the gallbladder area is alleviated. A similar situation is likely to occur when spicy foods are consumed and fire symptoms occur. Be sure to eat a light diet and eat more vitamin-rich foods to promote bowel excretion. It will help a lot to relieve the symptoms of dry mouth and bitterness. If you want to completely change the symptoms of bitter and dry mouth, you should first clarify the cause and go to the hospital for gastrointestinal and gallbladder related examinations. Then treat the symptoms.