Diarrhea is medically known as diarrhea, and frequent diarrhea may cause dehydration, electrolyte deficiency, malnutrition and other hazards. 1. Dehydration, electrolyte deficiency: frequent diarrhea may cause a large amount of water and electrolyte loss, if not replenished in a timely manner may lead to dehydration, electrolyte deficiency, may appear fatigue, cardiac arrhythmia, severe electrolyte deficiency may lead to mental abnormality. 2. Malnutrition: frequent diarrhea can lead to a lack of nutrient intake, which may lead to malnutrition, wasting, hypoproteinemia and malnutrition anemia. If children are chronically malnourished, it may also affect their development. If frequent diarrhea is not relieved, or accompanied by other symptoms, it is recommended to go to the hospital in a timely manner, and follow the doctor’s instructions to standardize the treatment.