One and a half year old baby dry and hard stools may be physiological factors, pathological factors, can be used massage, dietary adjustments, taking medication and other ways to alleviate the symptoms, the amount of drugs need to follow the doctor’s instructions. 1. Physiological factors: one and a half year old babies such as drinking less water, eating less crude fiber, no good defecation habits, etc., can lead to hard and dry stools. At this time, you can use clockwise abdominal massage to promote intestinal peristalsis, you can also massage the baby’s anal opening, cause defecation reflex, promote defecation. Daily diet can be appropriate to increase the amount of vegetables and fruits, such as celery, bananas, etc., to help defecation. 2. Pathological factors: such as intractable constipation, megacolon and other diseases, intestinal diseases can be caused by one-and-a-half year old baby stool dry and hard phenomenon, follow the doctor’s instructions for the application of probiotics (such as bacillus subtilis bacillus granules) can help alleviate the situation of dry and hard stools. Therefore, usually need to develop a habit of defecation, so as to avoid the stool in the body stays too long aggravate the symptoms, the specific dosage of drugs need to consult a doctor, do not blindly use drugs.