The toddler constipation pull hard ball consider is caused by dietary problems, poor defecation habits, intestinal problems and so on. 1. Dietary problems: if the diet just give young children to increase the nutrition, so that the food in the protein content is high, vegetables and fruits are relatively few, rarely eat crude fiber food, stool formation is less, in the body stagnation time is longer, it is easy to lead to the young children constipation, the emergence of hard ball situation. 2. Poor defecation habits: If the young children do not develop the habit of defecating on time, it will lead to the feces in the colon to stay longer and drier, thus appearing constipation pull hard ball. 3. Intestinal problems: If the toddler’s own intestinal peristalsis is slow, resulting in the formation of stool is not easy to discharge, thus appearing dry stool, resulting in constipation of toddlers. If the symptoms are more serious, parents are advised to lead their children to the hospital, under the diagnosis of the doctor, and actively cooperate with the treatment.