Gallstones patients may have bitter and sticky mouth because gallstones block the normal excretion of bile, bile reflux into the stomach caused by gallstones, or may be caused by gastric diseases, according to the specific cause of the bitter and sticky mouth, can be treated with medication or surgery. 1. Gallstones: Gallstones affect the normal excretion of bile, making part of the bile reflux into the stomach, and may even flow back into the mouth, resulting in bitter, sticky mouth symptoms. 2. Stomach diseases: If gastric ulcer or inflammation occurs in the stomach (e.g. gastritis caused by Helicobacter pylori), excessive secretion of gastric juices or reflux of gastric juices into the mouth may also occur, resulting in symptoms such as bitter and sticky taste in the mouth. Gallstones with bitter and sticky mouth is recommended to seek medical treatment as soon as possible, do not blindly use medication, so as not to delay the condition.