More than 20 days of the baby more than an hour to feed a powdered milk is normal, generally 3 months after the feeding interval will gradually become longer. Born more than 20 days of the baby still belongs to the neonatal period, usually the baby in the first period of energy, and fast consumption, but due to the digestive system is not yet fully developed, an excessive amount of food may cause vomiting, diarrhea and other symptoms, can not be like an adult through the timed eating to meet the day’s need for energy, can only be divided into many times to eat, more than one hour to feed a formula is normal. But infants are recommended to breastfeeding is appropriate. Generally 3 months after birth, the number of times the baby eats will gradually decline, the interval is extended, this time you can add complementary foods to the baby, cut off the night milk, the introduction of complementary foods can adjust the baby’s eating habits, instead of formula supplementation of new nutrients.