Child constipation is divided into functional constipation and organic constipation, commonly used drugs are laxatives, microecological agents, etc. In the diet, drink more water, eat more fiber-rich food. The oral medications for children’s constipation are laxatives (lactulose), microecological system (such as bifidobacteria, lactobacillus acidophilus) and so on. But be careful, you must take drugs under the guidance of a doctor, do not self-medicate. In terms of diet, you should drink more water to ensure that there is sufficient daily water intake, and eat more fiber-rich foods, such as pears, celery, broccoli and so on. At the same time, we should develop regular bowel habits, appropriate physical exercise, maintain a positive and optimistic mindset, and avoid excessive stress. If constipation is caused by organic diseases such as intestinal obstruction, we should actively seek medical treatment and surgery if necessary.