Frequent diarrhea may be due to poor dietary habits, non-neoplastic diseases of the digestive tract, tumors of the digestive tract and other reasons. 1. Poor dietary habits: often eat ice, excessive consumption of cold drinks or snacks, excessive intake of greasy and spicy food, etc. can easily cause diarrhea. 2. Non-tumor diseases of digestive tract: gastric ulcer, bacillary dysentery, amoebic dysentery, gastroenteritis, intestinal tuberculosis, irritable bowel syndrome, chronic pancreatitis, chronic cholecystitis, dyspepsia, dysbiosis, dysbiosis of intestinal flora and other non-tumor diseases of digestive tract may lead to diarrhea frequently. 3. Digestive tract tumors: such as colorectal cancer, carcinoid tumor, colon adenomatosis, gastrinoma, intestinal vasoactive intestinal peptide tumor, small intestine malignant lymphoma and other digestive tract tumors can also cause long-term diarrhea. There may be other reasons for frequent diarrhea, you can go to the hospital for examination to make it clear, and follow the doctor’s advice to actively treat.