Breastfed babies, babies will not eat again when they are full on their own and sleep more soundly when they are full, which can be judged according to the baby’s performance. Artificially fed babies need to calculate the amount of milk eaten according to the baby’s weight. 1. Breastfed babies, if breast milk is sufficient, most of the babies sleep more soundly after eating, not easy to cry, breast milk will gradually increase with the baby’s age, most of the babies can eat, weight gain is normal. 2. Artificially fed babies need to calculate the daily amount of breastfeeding according to the baby’s weight, the general recommendation is that babies need 135ml of milk per kilogram of body weight per day, according to the baby’s specific situation of milk plus or minus the amount of breastfeeding calculated by most of the baby can eat. In addition, you should also pay attention to observe the performance of the baby after breastfeeding, such as a sense of satisfaction, sleep more solid, can play with themselves, etc., can also be judged by the weight gain.