Dry mouth, bitter mouth and dry stools are mainly considered for diseases such as irritable bowel syndrome and cholecystitis, which are usually treated with antibiotics and probiotics. 1. Irritable bowel syndrome: when the patient due to emotional fluctuations, excessive pressure, also prone to dry mouth and bitter, dry stools. At this time, it is recommended to take probiotic drugs appropriately, by regulating the intestinal flora, such as Bifidobacterium bifidum, Bacillus subtilis and so on. 2. cholecystitis: when the patient suffers from gallbladder stones, cholecystitis and other diseases that affect the biliary tract dynamics, due to bile reflux, also prone to dry mouth and bitter mouth, dry stools, at this time it is recommended that appropriate to take cholestatic drugs, such as arbutin, adenosine monomethionine and so on. Dry mouth, bitter mouth and dry stools may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment. Before using the medication, you must consult a physician, under the guidance of the physician to use the medication.