The common causes of dry and hard stools in young children include improper diet, constipation, congenital megacolon, etc. The treatment methods include dietary modification, medication and surgery. 1. Improper diet: young children are partial to food, like to eat meat, do not like to eat vegetables or fruits, also do not like to drink water, resulting in less intestinal water, stool is easy to dry and hard not easy to pull out, so usually should eat a balanced diet, drink more water, eat more food and fruits containing crude fiber. 2. Constipation: mostly caused by the lack of good defecation habits or food allergies, resulting in young children long-term dry and hard stools can not pull out constipation, so usually should develop regular defecation habits, you can supplement probiotics such as Lactobacillus acidophilus and other medicines to improve the intestinal flora, and at the same time can be taken orally to soften the stools such as Lactulose Oral Liquid. If necessary, you can use corkscrew to defecate. 3. Congenital megacolon: Congenital megacolon is a congenital disease, manifested as abdominal distension, long-term stool dry and hard can not be pulled out, need surgery. Young children can not pull out the causes of dry and hard stools more, need to be timely to the hospital to identify the cause of the cause of the disease, under the guidance of the doctor to give regular treatment, the above drugs need to be taken under the guidance of a doctor, can not be used on their own.