Constipation in children is mainly manifested as dry stools, difficult to pass, abdominal fullness and loss of appetite. Constipation in children can be divided into functional constipation and organic constipation, most children constipation for functional constipation, parents do not need to be too nervous, for the cause of constipation treatment can be alleviated. 1, functional constipation 1, improper eating habits: children for a long time anorexia, picky eating, partiality, reluctance to eat vegetables, drink water, or usually like to eat fine processed food, snacks, etc., will lead to too little fiber content in food, which leads to constipation. If the baby needs to drink milk powder, some improper choice of milk powder can also lead to constipation; 2, bad habits: if the child does not like to move, often sitting or lying, will also lead to gastrointestinal peristalsis is too slow, thus causing the child to constipation. In addition, children are reluctant to defecate when they have bowel movements, always inhibit the intention to defecate, hold it for a long time, or take too long to defecate, inattentive, can also lead to constipation; 3, external factors: if the child recently too much pressure on learning, sleep time is not enough, etc., also easy to lead to the occurrence of constipation. Second, organic constipation if there is congenital megacolon, colonic redundancy and other conditions can also lead to constipation in children, should be combined with other related symptoms and examination, after diagnosis and active treatment.