Whether the baby needs to change milk powder depends on the number of stools and the baby’s general condition and mental state. If the baby simply pulls milk petals, it is generally not necessary to change milk powder. On the contrary, if the stool shows water and stool separation, crying and irritability, mental depression and other situations, you need to change the milk powder. The baby’s gastrointestinal function is not well developed, so the stool will often be accompanied by milk petals, this is a normal physiological phenomenon, when the later development of the baby’s gastrointestinal function is perfect, this symptom will slowly disappear. This is a normal physiological phenomenon and will disappear when the baby’s gastrointestinal function is perfected later in life. However, if the milk petals in the pull, the stool presents the situation of water and stool separation, at the same time the baby’s mental state is relatively poor, crying and irritability, rash, nausea and other adverse reactions, you need to change the milk powder. Parents need to be aware of the above situation, it may be due to the baby’s intolerance to some of the ingredients in the milk powder, so the replacement of milk powder needs to be low lactose or hydrolyzed protein milk powder. It is advisable to actively consult a pediatrician for parenting issues.