White tongue and bitter mouth right abdominal discomfort may be caused by bile reflux gastritis, reflux esophagitis, cholecystitis and other diseases. 1. Biliary reflux gastritis: some patients with biliary reflux gastritis, due to most of the gastrectomy or pyloric sphincter motor disorder, prolonged dilatation of the stomach can lead to duodenal bile, pancreatic fluid and other contents reflux, stimulate the gastric mucous membrane erosion, triggering the right abdominal discomfort, gastric acid reflux. When the patient’s digestive function is affected, it is easy to appear white tongue, and also accompanied by bitter mouth, bad breath and other symptoms. 2. Reflux esophagitis: patients with reflux esophagitis are unable to prevent the reflux of gastric contents due to the thin walls of blood vessels, mucous membrane damage and relaxation of the cardiac sphincter, which stimulates the esophageal mucosa, and when the patient is stimulated by gastric acid, the digestive system of the stomach will be affected, resulting in a whitish tongue with bitter mouth and discomfort on the right side of the abdomen. 3. Cholecystitis: cholecystitis patients have inflammation of the gallbladder wall, congestion and edema of the gallbladder duct, resulting in gallbladder blockage. The bile secreted by the liver cannot be discharged through the cystic duct. When cholecystitis occurs, bile secretion decreases, affecting digestive function and gastric discomfort, which can lead to symptoms of white tongue and bitter right abdominal discomfort. White tongue and bitter right abdominal discomfort may also be caused by other factors, should consult a doctor to identify the cause, if necessary, under the guidance of the doctor standardized treatment, to avoid delaying the condition.