Preterm formula cannot be taken for a long period of time and should be switched to milk at a certain period of time. Preterm milk powder is specially customized for preterm babies, in addition to providing sufficient calories for babies, it also contains essential fatty acids, DHA and other fortifiers to promote the development of the baby’s brain. Premature babies are not very mature in all aspects of development after birth, and the nutritional content of ordinary milk powder is not as good as that of preterm milk powder. In order to avoid affecting the physical development of the child, the baby will drink preterm milk powder first after birth. When the weight of the premature baby catch up with the same age of full-term baby, can be changed to ordinary a period of milk powder, the transfer period of about 1-2 weeks, in the process of the transfer period of close observation of the nature of the stool, the number of times, the mental state of the child, whether there is a paroxysm of crying, abdominal pain and other symptoms of discomfort, there is an abnormality can be dealt with in a timely manner. Preterm milk powder calorie is relatively high, long-term consumption may lead to overnutrition, high blood fat in adulthood, high blood sugar and so on, it is not recommended to eat for a long time. Parents should monitor the weight of preterm babies, correcting the weight at the age of one month to reach the median weight level of infants of the same age, you can change the preterm milk powder to ordinary milk powder.