4-year-old baby 4 days without bowel movement still need to be dealt with, should be temporarily temporary to the baby with a time to use the open plug to clean the stool, temporary relief of discomfort clinical symptoms. But Kai Sei Lu can not be used for a long time, long-term use may produce a conditioned reflex, leading to the occurrence of habitual constipation is more difficult to deal with. If the baby often 4 days without bowel movement, usually to consider whether there is constipation, you need to see a pediatric gastroenterology clinic, looking for the cause of the cause of treatment, you can take lactulose laxative, eat lactulose to drink more water after the effect is good. Diet to eat more crude fiber-rich foods, fruits, such as pears, kiwi, mushrooms, fungus, seasonal beans, etc., crude fiber-rich food intake increased intestinal water will increase, stool softening is conducive to defecation, eat bifidobacteria-based probiotics are also effective.