Level 1: Reasons why the baby does not poop. There are many reasons why the baby does not poop. It may be improper diet, imperfect intestinal function, lack of exercise, etc. In terms of diet, if the baby eats too much or does not eat enough nutrition, it will easily lead to constipation. In addition, if the baby\’s intestinal function is not fully developed, it will also cause difficulty in defecation. Lack of exercise can also affect intestinal peristalsis and lead to constipation. Level 2: How to Prevent Poison