Six-month-old baby’s normal stool should be differentiated according to its feeding method, breast-fed baby’s stool is often paste-like or curd-like, the color is mostly golden yellow, while formula-fed baby, because the formula composition is different from breast milk, often brownish or yellow-green in color, and has a certain odor, the nature of peanut butter like. If the performance of other traits, is abnormal stool, such as stool containing more granules, is not digested fat balls, suggesting indigestion. If the stool is watery or mucopurulent, it suggests symptoms of infection and requires interventional treatment. Therefore, the different nature of stools can determine early if the baby has digestive abnormalities.