If the baby does not have stool for 24 hours, if the general condition is good and there is no poor appetite or bloating, it may be normal and can continue to be observed for 1-2 days. If the baby has not relieved stool for more than 72h, it is necessary to consider the cause of indigestion, improper diet, vitamin D deficiency, etc. You need to go to the hospital in time to determine the cause, and treat the cause, and assist the enema to help defecate. Common causes and treatment 1, indigestion: children with weak spleen and stomach, gastric power, indigestion, resulting in constipation, under the guidance of doctors can take oral intestinal probiotics or digestive enzymes, such as bifidobacterium capsules, multi-enzyme tablets, domperidone tablets and other drugs to relieve symptoms; 2, improper diet: children eat a lot of indigestible food, such as glutinous rice, chestnuts, sweet potatoes, etc., resulting in constipation symptoms. At this time, you can stop eating the above food and take probiotic drugs, such as Bifidobacterium triplex capsules, Bifidobacterium quadruplex tablets, Bacillus licheniformis capsules, etc., the general symptoms can be improved; 3, lack of vitamin D: common symptoms are night terrors and night sweats, occipital baldness, poor sleep, etc.. You can take your baby to the sun more often, which is good for vitamin D absorption, and you can also supplement vitamin D, such as vitamin AD drops. In addition, if a newborn baby does not have stool within 24 hours after birth, it needs to be taken seriously. Generally speaking, newborns can defecate within 24h of birth. Insufficient intake can lead to non-defecation, which requires timely opening of milk or giving formula to newborns. If the newborn has already eaten but still has not defecated, he/she should seek medical attention to check for diseases such as congenital anus, congenital megacolon or congenital anal stenosis, etc. If diagnosed, surgery can be performed if necessary.