At present, there is no clinical data to prove that one-year-old three-month-old babies a day stool a few times normal, the general baby a day stool 1 to 3 times are normal phenomenon, but due to the differences in the individual situation, can not be generalized. Due to the one year and three months of the baby’s diet structure gradually to adults gradually change, the number of bowel movements also gradually tend to stabilize, usually 1 to 2 times a day, is normal. Some babies eat more and may have 3 bowel movements. If the shape and hardness of the bowel movements are suitable and not accompanied by other uncomfortable symptoms, it is normal and there is no need to worry too much. In daily life, babies should be given nutritious food and avoid spicy, cold and irritating food, which may irritate the mucous membrane of the gastrointestinal tract and jeopardize the health of babies. If the baby’s stool is abnormal, and accompanied by physical symptoms, such as crying, abnormal irritability, etc., need to pay attention. Parents are advised to bring their children to regular hospitals for relevant examinations to clarify the cause of the disease.