A change in the day on diarrhea may be due to temperature changes in the intestinal peristalsis abnormalities leading to diarrhea, you can through the montelukast, bifidobacteria and other medications, strengthen exercise, pay attention to heat preservation, and improve the dietary habits to alleviate the symptoms. 1. Medication: you can take montelukast, this kind of medicine has the function of stopping diarrhea. You can also take bifidobacteria and other probiotic preparations to regulate intestinal microecology. 2. Strengthen the exercise: a change of day on the diarrhea is a big reason for the stomach and intestines are not good, you can strengthen the exercise, strengthen the body, which can reduce diarrhea. 3. Pay attention to heat preservation: diarrhea on the change of day may be due to cold, this time pay attention to heat preservation can reduce the occurrence of this symptom. 4. Improve eating habits: eat more warm food, such as jujube, honey, avoid eating spicy stimulation cold food. If the diarrhea is serious, you should go to the hospital in time, and follow the doctor’s instructions for treatment, so as not to delay the condition.