There is no authoritative information on how many days a weaned baby can accept formula milk, it varies from person to person, usually 2~7 days. Weaning refers to letting the baby no longer continue to drink breast milk, at present, there is no authoritative information related to the weaning of the baby in general a few days to accept the milk powder, it is not clear. According to the relevant survey data shows that usually most weaning babies can gradually accept formula milk in 2~7 days. However, because each baby’s specific situation is different, so can not be generalized, there are obvious individual differences. When parents wean the baby is prone to crying, emotional instability and other manifestations, the need to calm the baby’s emotions, you can first carry out a mixed feeding, so that the baby has a gradual process of adaptation. In addition, the baby bottle needs to be sterilized regularly to avoid infection. All in all, when weaning parents need to closely observe the baby’s physical condition, according to the actual situation to make appropriate adjustments.