Bitter mouth, bad breath, and abdominal pain may be caused by gallbladder polyps or by other gastrointestinal disorders. Gallbladder polyps can be asymptomatic, but some patients may experience vomiting, diarrhea, and abdominal pain as a result of abnormal digestive function due to poor drainage of bile. If bile reflux is severe, bitter mouth and bad breath can occur. In addition, when the pylorus malfunction, Helicobacter pylori infection, easy due to gastric acid, bile reflux will cause gastric mucosa inflammation, abdominal pain. At the same time, it will affect the duodenum, so that the cooperative movement of the stomach, pylorus and duodenum is dysfunctional. At this time, the stomach emptying time is prolonged, will make the bile and substances in the duodenum reflux into the stomach, the patient can thus appear bitter mouth and bad breath, abdominal pain symptoms. When bitter mouth, bad breath, abdominal pain, it is recommended to consult a doctor in time, follow the doctor’s instructions for further examination, with the help of the doctor to clarify the cause, targeted treatment or therapy.