Constipation in 1~3 year old babies may be caused by improper feeding, indigestion, intestinal obstruction, etc. It needs to be clearly diagnosed and regulated in an appropriate way, such as general treatment and medication. 1. Improper feeding: If improper feeding causes 1~3-year-old baby constipation, generally do not need medication, need to regulate poor diet, during which you can give the baby more water, or hand massage baby abdomen, accelerate gastrointestinal peristalsis, promote defecation and so on. 2. indigestion: if indigestion causes 1~3 years old baby constipation, parents can follow the doctor’s instructions to the child to take probiotics, such as bacillus subtilis bacillus granules and so on. 3. Intestinal obstruction: If intestinal obstruction causes constipation in 1-3 year olds, gastrointestinal decompression is needed after diagnosis to improve symptoms. If later combined with infection, need to follow the doctor’s instructions to take broad-spectrum antibiotic treatment, such as amoxicillin, cephradine and so on. If surgery is indicated, surgical treatment is also needed. Baby constipation is serious, you need to take the child to the hospital in a timely manner, a clear diagnosis, with the doctor for standardized treatment. The medication should be in accordance with the doctor’s prescription.