A year old drinking milk powder four or five times a day, belong to the abnormal performance, consider and indigestion, lactose intolerance, abdominal cold and other factors related. 1. indigestion: more than one year old baby, may be due to the intestinal function is not yet fully developed, coupled with the intake of more milk powder, may be indigestion, and then have four or five times a day the phenomenon of stool. 2. Lactose intolerance: Some one-year-old babies may lack the lactase enzyme that digests lactose, so after eating dairy products, abdominal distension, abdominal pain, diarrhea, and pooping four or five times a day. 3. abdominal cold: part of the one-year-old baby, if the abdominal warming measures are not in place, may be due to abdominal cold, which promotes gastrointestinal tract peristalsis accelerated, so the phenomenon of four or five times a day poop. One year old drinking milk powder four or five times a day, there may be other reasons, so if necessary, with the doctor to do further examination, and give targeted treatment and treatment.