Frequent diarrhea may be caused by poor diet, adverse drug reactions, digestive system diseases, systemic diseases, etc. Patients need to go to the hospital in a timely manner to determine the cause and treat the cause. A, diet and external stimulation patients always eat cold, greasy irritating food, or abdominal cold can lead to diarrhea symptoms, this is generally no special treatment, rest for a period of time can be alleviated, daily pay more attention to diet and warmth can be. Second, the impact of drugs such as patients who have taken oral reserpine, thyroxine, biguanide hypoglycemic drugs, digitalis drugs, etc., may lead to frequent diarrhea, which is a side effect of drugs, need to avoid the use of the above drugs under the guidance of doctors. Third, digestive system diseases 1, acute gastroenteritis: a variety of causes of acute inflammation of the gastrointestinal mucosa, mainly manifested as abdominal pain, diarrhea, vomiting. At this time to avoid eating cool food, pay attention to abdominal warmth, if necessary, under the guidance of doctors oral norfloxacin, safranin, montelukast, vitamin B6, etc. to relieve symptoms; 2, intestinal dysfunction: by the combined effect of biological, psychological and social factors, manifested as chronic or recurrent gastrointestinal symptoms. At this time, eat more light, easy-to-digest food, keep a happy mood, help relieve symptoms, if the improvement effect is not good, and accompanied by acid reflux, belching, anorexia, nausea, vomiting and other symptoms, you can follow medical advice to use intestinal regulating stomach tranquilizer, glutamate, digestive enzymes, vitamin B1, magnesium aluminum carbonate and other drugs for treatment; 3, intestinal flora dysbiosis: the internal and external environment of the body changes, especially long-term application of broad-spectrum antibiotics, sensitive intestinal bacteria are inhibited, uninhibited bacteria multiply, thus causing dysbiosis. Patients can apply probiotics, such as Bifidobacterium trisporus, Bifidobacterium quadruplex, whole intestine, compound lactobacillus capsules, etc. for treatment; 4, amoebic dysentery: due to lysoamebic parasites in the colon, causing amoebic dysentery or amoebic colitis, can use metronidazole, metronidazole, sugar acid dichloronitrate, balonamycin, panquinone, etc. for treatment; 5, intestinal tumors: it is recommended to promptly It is recommended to seek medical advice and perform pathological histological examination under the guidance of doctors to clarify the nature of tumor. Systemic diseases such as hyperthyroidism, hypoadrenocorticism, gastrinoma, vasoactive intestinal peptide tumor, carcinoid syndrome and diabetic intestinal neuropathy. In this case, patients should go to the hospital in time to identify the cause of the disease under the guidance of a doctor and provide targeted treatment. Patients should pay attention to their diet in daily life and try to avoid eating cold and stimulating foods. They should also pay attention to keeping warm to prevent the abdomen from getting cold.