Drinking milk powder four months baby stools have milk petals two to three times a day color yellow, usually consider physiological phenomenon, indigestion and other factors. 1. physiological phenomenon: 4 months of the little baby gastrointestinal function is not well developed, the normal stool for the yellow or green paste or creamy stool, protein digestion and absorption is incomplete will have a small amount of milk petals, two or three days a time or two to three times a day, and the baby appetite, growth and development is normal, no other discomfort, usually belongs to the physiological performance. 2. indigestion: 4 months baby eating milk powder, usually regular stools, once a day, no milk petals, suddenly appeared more frequent stools, more milk petals, thin stools, it is considered to have indigestion, such as improper feeding, diet irregularities, cold gastrointestinal function decline may be caused. Drinking milk powder four months baby stools have milk petals two to three times a day yellow color, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.