Drinking a moderate amount of sugar water with diarrhea is fine and helps to rehydrate and energize, but it is not curative and is not suitable for all people. Diarrhea is clinically known as diarrhea, which refers to an increase in the number and frequency of bowel movements and unformed stools. Patients can lose water, electrolytes and energy in the process of several bowel movements, at this time drinking sugar water can be lost water and energy to quickly replenish, to prevent dehydration. Therefore, diarrhea drinking moderate amount of sugar water is possible, but this method for the relief of diarrhea has no therapeutic effect. Some patients with diarrhea such as diabetes, this time taking sugar water can cause abnormal elevation of blood sugar, blood sugar level fluctuation is too large, will aggravate the original condition, should not be applied. In addition, the clinic does not recommend drinking sugar water alone, diarrhea in order to replenish the body’s loss of electrolytes, it is generally recommended to take saline, but also can be prepared into a sugar-saline solution to drink. But how to prepare and how to take, need to be under the guidance of a professional physician, in order to avoid improper application, delay the condition, resulting in adverse consequences.