When the baby enters the third month, it is important to note that you can take appropriate calcium supplements, avoid choking when breastfeeding, and help the baby to practice lifting his head. When babies enter the third month, they grow and develop rapidly, their body’s demand for nutrients increases, and the amount of food they eat also increases. At this time, it is important to note that you should give your baby calcium supplements, and you can get more sunshine. In addition, when the mother lies down to breastfeed, it is important to avoid the risk of suffocation. Entering the third month of the baby, this time you can let the baby prone or vertical hold the baby, which can help the baby to practice the head up and other movements, but also exercise the baby’s cervical vertebrae support, etc.. In addition, also need to pay attention to the baby’s toys can not be too small, that is, not smaller than the mouth, so as to avoid the baby accidentally swallowed.