Elderly gastrointestinal bad diarrhea management first need to clarify the cause, such as functional diarrhea need to regulate the life and diet, including dietary structure, eating habits, etc.; such as organic diarrhea, simple regulation may not be obvious, often need to comply with the doctor’s orders to give medication, such as norfloxacin, mesalazine, and so on, and even the need for surgical treatment. 1. Functional diarrhea: reasonable dietary structure, avoid greasy, spicy, cold and other stimulating foods; eating regularly, avoid overeating; moderate exercise, maintain emotional stability, etc. is conducive to the recovery of gastrointestinal digestion and peristalsis. 2. Organic diarrhea: such as bacterial enteritis need to follow the doctor’s instructions to use antibiotics, common norfloxacin, levofloxacin, etc.; such as ulcerative colitis need to follow the doctor’s instructions to use mesalazine, methylprednisolone and other drugs; such as intestinal polyps often need to be considered for enteroscopic resection or traditional surgical treatment. For the elderly gastrointestinal conditioning, it is recommended that patients consult a doctor in a timely manner to clarify the cause and then by the doctor to develop specific conditioning measures.