Sedentary people appear abdominal pain, diarrhea is considered to be caused by dietary factors or acute gastroenteritis, irritable bowel syndrome, inflammatory bowel disease and other factors. 1. Dietary factors: after eating spicy stimulation, cold food, will stimulate the gastrointestinal tract, making the gastrointestinal peristalsis faster will appear abdominal pain, diarrhea. 2. Acute gastroenteritis: generally due to viral, bacterial, parasitic infections or stress, food allergies and other non-infectious factors that invade the gastrointestinal tract leading to diarrhea, abdominal pain, can also be accompanied by nausea, vomiting and a series of symptoms. 3. Irritable Bowel Syndrome (IBS): It is considered to be caused by visceral hypersensitivity, abnormal gastrointestinal dynamics and other factors, which may cause diarrhea or constipation, abdominal pain and other symptoms. 4. Inflammatory bowel disease: it is a chronic non-specific inflammatory disease of the intestines, which can have symptoms such as diarrhea, abdominal pain and weight loss. Excluding physiological factors, if the symptoms continue to be unrelieved, it is recommended to consult a doctor in a timely manner, under the guidance of a doctor to determine the cause of the disease and targeted treatment, do not take medication on their own, so as not to delay the condition.