Constipation is a common and persistent problem in pediatric period, which should be taken seriously, but it is believed that constipation can be prevented if children are given proper guidance on reasonable feeding and good living habits. 1, to let children sit in the potty every day on time to defecate, in order to develop good bowel habits; 2, to develop good dietary habits, diet should be diversified, less cold food, the amount of food should not be too small, food should not be too fine, should be rich in fiber; 3, to develop good habits, mental to avoid a high level of continuous tension, especially for school-age children, learning tension, sleep deprivation can cause constipation; 4, to develop good living habits, mental to avoid a high level of tension, especially for school-age children, learning tension, sleep deprivation can cause constipation; 4, milk-eating infants, can be appropriate to add more milk. 4, eating milk for small infants, you can add more sugar, but also add some rice soup, at the same time can give orange juice, vegetable soup, etc. to prevent constipation caused by too dry, too hard stool; 5, avoid long-term use of drugs that cause constipation such as calcium gluconate, calcium carbonate and aluminum hydroxide. However, if the constipation is repeated and the symptom relief is not obvious, then consider hospital consultation.