The correct conversion method for changing milk powder is as follows: 1. The change of milk powder should be gradual, do not be too eager, the whole process is less than 1-2 weeks, more than a month, to allow the baby to have the process of adaptation. 2. The change of milk powder should be done in the baby’s health, such as no diarrhea, fever, cold, etc. 3. The old and new milk powder should be mixed and changed, parents should replace the milk powder and the milk powder being drunk together, the beginning can The amount can be a little less, slowly add the proportion until completely replaced. 4, in order to change, three days to add once, the first change at noon that time, eat on three days, and then every three days to add once, the order is noon, afternoon, morning, and finally evening.