Newborns a day without bowel movement can be seen in normal physiological phenomena, pathological conditions (such as functional constipation), the intervention needs to be carried out according to the baby’s condition, such as the view that it is normal, can be temporarily without intervention, dynamic observation. 1. Physiological phenomenon: there are individual differences in the number of times a newborn can defecate daily, normally one or several times a day, some babies may also have regular every other day to defecate the habit of defecation, defecation process is smooth, it is normal, for the above phenomenon, such as and the past defecation habits are similar to the phenomenon of defecation, and there is no defecation of the phenomenon of laborious, there is no need to intervene, continue to observe can be. 2. Pathology: If the baby used to relieve several times a day, the above phenomenon, accompanied by the phenomenon of straining to defecate and crying, it can be considered that the existence of constipation, mostly functional constipation, can be used to soften the stool to promote the discharge of stool, but need to help the use of the process of movement gently, to avoid local damage to the intestinal mucosa. At the same time, oral probiotics such as bifidobacteria to regulate intestinal flora. It is recommended that newborns who have not had a bowel movement for a day, and are accompanied by other symptoms of discomfort, should consult a specialist for evaluation and guidance of intervention. The above medications should be used in accordance with medical advice.