Pediatric constipation is caused by a change in bowel pattern, which refers to a significant reduction in the number of bowel movements, dry, hard stools, constipation, long intervals between bowel movements (>2 days), irregularity, or the inability to pass stools despite the intention to do so. The intestinal movement is a segmental contraction movement, the food residue stays in the intestine for too long, and the water is absorbed by the large intestine into a ball-shaped stool. Clinically, it is divided into functional constipation and organic constipation. Constipation in children cannot be solved by a single means, but needs to be dealt with by a combination of dietary regulation, exercise of bowel habits and medication. It is not possible to use fire-clearing or laxative medicine alone. 1.Cultivate good eating habits of children. The diet should be diversified, less cold food, not too little food, not too fine food. 2.Cultivate good bowel habits of children. As a child, you should cultivate the habit of regular bowel movements once a day, so that children know that normal bowel movements are beneficial to health. 3.Cultivate good living habits of children. Avoid a high level of mental tension, especially school-age children, learning tension, lack of sleep, can cause constipation. 4, feeding milk infants, you can add more sugar, you can also add some rice soup, water can be added to the orange juice, vegetable soup, etc., to prevent constipation caused by too dry and hard stool. 5, avoid long-term use of drugs that can cause constipation, such as calcium gluconate, calcium carbonate and aluminum hydroxide, etc. 6, do not abuse laxatives, the treatment of constipation in children should be mainly from the diet, to prevent the abuse of laxatives caused by children’s intestinal disorders.