Having a bowel movement twice a day is generally normal and can be considered as physiological or pathological. If it is physiological, there is no need to worry and it is normal. If it is pathological, it may be caused by diarrhea. Patients can check whether their food has expired recently or is unhygienic, which may trigger the occurrence of enteritis; and it may also be caused by a weak spleen and stomach, which is triggered by cold. Recently, you can improve your diet, do not always eat roadside stalls, barbecue and other unhygienic food; usually pay attention to keep warm, do not get cold, do not stay up late, etc.; you can also take probiotics to regulate the gastrointestinal tract colonies, improve the current diarrhea situation. If the condition is not relieved after a week, or even need to stool 3-4 times a day, you need to go to the hospital for examination to avoid dehydration and other adverse conditions.