The possible causes of frequent diarrhea in children include improper diet, poor gastrointestinal regulation and immature development of digestive organs. 1. Improper diet: If children consume some deep-fried, greasy and spicy food for a long time, such as spicy noodles, fried skewers, etc., this kind of food is not easy to be digested in the intestines, which will increase the burden on the stomach and intestines, further stimulate gastrointestinal peristalsis, leading to frequent diarrhea in children. 2. Poor gastrointestinal regulation: long-term in the temperature of the environment, such as air-conditioned rooms, due to the children’s own gastrointestinal regulation function is poor, by the cold air attack, stimulate gastrointestinal peristalsis can be accelerated, easy to let the children frequent diarrhea. 3. immature development of digestive organs: digestive organs are not mature, the body does not have the means to secrete enough digestive enzymes, such as eating too much, food in the intestines may not be absorbed in a timely manner and discharged from the body, resulting in frequent diarrhea in children. Frequent diarrhea in children may also have other causes, 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.