It may or may not be normal for a child to have three or four bowel movements a day, which may be caused by irritable bowel syndrome, physiologic reasons, or rotavirus enteritis. 1. Physiological phenomenon: It is completely normal for infants and young children under 1 year old to have 3-4 bowel movements per day when they are breastfed or formula fed. For older babies, if the child simply passes stools without any other discomfort, it is generally a normal physiological phenomenon, usually related to dietary habits or intestinal peristalsis, and does not require special treatment. 2. Irritable bowel syndrome: Irritable bowel syndrome is generally caused by neurological abnormalities, psychosomatic disorders and other reasons, the patient will have abdominal pain, diarrhea, mostly paste-like and contain a lot of mucus, defecation and rest can be relieved. 3. Rotavirus enteritis: rotavirus infection can cause some babies to have eggdrop soup-like stools, and with an increase in the frequency of stools, can be given to rehydration symptomatic supportive treatment and other treatments. If there are symptoms, can be observed for a period of time, if accompanied by other symptoms, parents should take their children to the hospital in a timely manner, after diagnosis under the guidance of the doctor to carry out treatment, parents must not give their children unauthorized use of medication, stopping or changing drugs.