Pediatric Keserol is a drug commonly used in pediatric clinics to relieve acute constipation in children. The drug is only used as an emergency state, can not be used as a regular relief of constipation drugs, specific side effects are as follows: First, if the long-term application of large doses of Keserol, will produce a dependence on the drug, the child can not independent defecation. Second, individual children have an allergic reaction to Keselu situation, parents are easy to ignore, manifested in the application of Keselu after there will be obvious symptoms of abdominal pain, and normal abdominal pain with Keselu is not the same, and diarrhea can also last a few days, not a one-time discharge of feces. When this kind of reaction occurs, the family must pay attention to it, and do not apply it repeatedly, otherwise it is easy to induce the possibility of the formation of allergic purpura in children. Therefore, Keseru is only used as an emergency, and parents should also pay attention to the child’s reaction.