The child does not defecate for several days suggests that digestion is not good, difficult to defecate, if repeated for more than a month to be considered clinically diagnosed as constipation, measures should be taken to laxative, you can take lactulose to laxative, eat lactulose to drink a lot of water to help the smooth discharge of stools. You can also take bifidobacteria-based probiotics to regulate the gastrointestinal function, and you can also take Chinese medicines to help digestion, so that the stool can be discharged more smoothly. You should also drink more water and eat more fiber-rich foods and fruits, which will help increase the water in the stool and soften it, thus relieving the difficult bowel movements. If the child does not have a bowel movement for several days, abdominal distension is obviously particularly difficult, you can also temporarily and occasionally use a corkscrew to stimulate anal defecation, but can not be used for a long time, otherwise it will form a dependency.