There are many reasons why you always have diarrhea 2 months after cholecystectomy, the common ones are improper diet, intestinal flora imbalance, bile stagnation and so on. 1. Improper diet: the main role of bile is to promote the digestion and decomposition of fat and absorption of fat-soluble vitamins, 2 months after gallbladder removal, bile excretion is affected, the quality of digestive function has declined, when consuming too much fat-rich foods such as fatty meats, etc., will cause indigestion, resulting in diarrhea. 2. Intestinal flora imbalance: 2 months after gallbladder removal, a large amount of bile will repeatedly enter the intestinal tract, which can cause intestinal flora imbalance, resulting in always diarrhea. 3. Bile stasis: after gallbladder removal, the storage function of the gallbladder is lost at night, and bile excretion is affected, resulting in a large amount of bile will be stagnant in the intestinal tract, stimulating the colon, and the increase in intestinal peristalsis, which can also cause diarrhea. 2 months after cholecystectomy always have diarrhea when there may be other causes such as chronic diarrhea, irritable bowel syndrome, etc., it is recommended to identify the causes, standardized treatment.