Diarrhea after eating meat may be caused by indigestion, gastroenteritis, liver and gallbladder diseases. 1. Indigestion: If the patient consumes a large amount of meat, it may lead to indigestion. Meat contains more proteins and fats, which are not easy to be digested, and using too much of it may cause the patient to experience abdominal pain, diarrhea, acid reflux and other symptoms. 2. Gastroenteritis: If the meat consumed by the patient is not clean or spoiled, it will lead to the entry of pathogenic bacteria into the intestinal tract, causing the patient to experience abdominal pain, diarrhea and other symptoms. 3. Liver and gallbladder diseases: when patients have liver and gallbladder diseases, such as cholecystitis, bile duct stones and other diseases, it will lead to bile discharge obstruction, so that the further digestion of fat obstacles, diarrhea, nausea and other symptoms. If patients have diarrhea after eating meat may also have other reasons, 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.