More than two months baby eat, drink and sleep normally, five days without stool is not normal, can not accurately determine. Generally speaking, it may be a normal physiological phenomenon, or there may be constipation. 1. Normal physiological phenomenon: more than two months the phenomenon of delayed defecation of babies is more common, according to the different circumstances of their own, the number of days of delay is not the same, as long as the general situation is good, diet, sleep and subsequent defecation is no abnormality, it is a normal physiological phenomenon. As long as you are in good condition and have no abnormalities in your diet, sleep or subsequent bowel movements, it is a normal physiological phenomenon. 2. Constipation: Even if there are no abnormalities in diet and sleep for the time being, constipation is not ruled out, and it mainly depends on whether the subsequent defecation, diet, sleep and other abnormalities are gradually occurring; if there are dry stools that are difficult to relieve and difficult to defecate, then constipation may be the cause of high probability. Lactulose can be taken orally to help relieve the symptoms. If necessary, you can use corkscrew for treatment. When a two-month-old baby eats, drinks and sleeps normally and does not have bowel movements for five days, parents are advised to carefully observe the baby’s subsequent reactions. The above medication should be used under the guidance of a doctor.