1, concept: constipation refers to the number of bowel movements than normal children of the same age, dry and hard feces, difficult and laborious defecation, accompanied by abdominal pain, good painful defecation and other discomfort. If there is only a prolonged interval between defecation, but not accompanied by dry stool and painful defecation, should not be called constipation. 2, clinical manifestations: (1) reduced number of bowel movements, dry and hard feces, defecation difficulties, anal pain, abdominal distension and abdominal pain, bowel sounds and more exhaust. Long-term constipation can be combined with hemorrhoids and rectal prolapse. (2) Moodiness, fatigue, dizziness, headache, malnutrition. (3) a small number of children in the dry feces around the flow of more smelly intestinal fluid and dilute feces, can be mistaken for fecal incontinence. 3, Chinese medicine believes that the most common cause of pediatric constipation is the dietary factors. Mostly due to improper diet, over-eating spicy and dry products, or food is too fine, or dry heat within the knot, intestinal bowel conduction malfunction caused by constipation; also due to congenital deficiency, or acquired loss of nourishment, or other diseases, or improper medication, or sweating too much, etc., resulting in insufficient qi and blood, intestinal bowel loss of moistening, conduction and constipation. 4, Chinese medicine treatment of this disease to laxative for the basic treatment principle. Due to the different causes, can be given to eliminate accumulation of internal organs, nourish Yin and moisten dryness, replenish Qi and blood and other formulas, with abdominal massage methods such as massage treatment. Children with constipation should pay attention to the training of regular bowel movements every day, rationalize the dietary structure, increase the intake of coarse fiber food, increase activities, and not to rely excessively on the method of injecting open plug into the anus for defecation.