Stool is an important element in assessing the function of the gastrointestinal tract of babies. For breastfed babies, the normal stool is yellow paste-like feces, with a bowel movement of about 2 to 4 times a day, but there are individual differences, which need to be judged in conjunction with the growth and development of the baby. Stool condition, including the character of stool and the frequency of stool, is an important element reflecting the physiological and pathological conditions of the baby’s digestive tract, which is related to the baby’s feeding method and there are also individual differences. For breastfed babies, the stool is usually yellow or golden yellow, uniformly present paste or a little yellow fecal pellets, some babies can be slightly dilute stool, slightly green, sour taste does not smell, can be relieved 2 to 4 times a day, some babies can be a little more often, 4 to 5 times, or even 7 to 8 times, but the stool is not dilute, the baby’s general condition is good, the weight gain is good, the growth and development of the normal, also for the normal stools. It is recommended to consult a specialist for evaluation if necessary.