More than 9 months baby stool three or four times a day, if the stool appearance is normal, and there is no other discomfort symptoms may be normal phenomenon; if the stool trait change accompanied by discomfort symptoms such as abdominal pain, abdominal distension, etc., is not normal. More than 9 months baby stool three or four times a day, if the appearance of the stool is normal, no noise or vomiting, the general situation is good, may be because the baby is still relatively small, the digestive system has not yet developed soundly and other reasons, is a normal phenomenon. If your 9-month-old baby’s stools increase or decrease in frequency, are dilute watery, egg-like, jelly-like or like sheep’s feces, with a distinct fishy odor, more undigested food residues or milk petals, accompanied by abdominal pain, bloating, etc., it may be related to indigestion or intestinal infections. It may be related to indigestion or intestinal infection. If your 9-month-old baby’s bowel movements are three or four times a day, accompanied by fever, abdominal pain, irritability, or a significant decrease in appetite, you should go to a regular hospital to find out the cause of the problem and take targeted treatment under the guidance of a professional doctor.