On the first day of life, babies need to be fed on time or on demand, have their diapers changed regularly, sleep on their sides as much as possible, and observe the baby’s mental state and reactions. 1. Feed on time or on demand: In principle, babies should be fed on demand on the first day of life. Whether breast milk or formula milk. If the conditions are really not allowed, you can feed every 2 to 3 hours at regular intervals. 2. Pay attention to change the diaper regularly: pay attention to observe the baby’s diaper whether there is urine and feces, if there is to be changed in a timely manner. 3. try to sleep on the side: the newborn baby because the stomach is horizontal, after drinking milk is very easy to spit up, it is recommended that the baby in the month inside the baby should try to sleep on the side, so as to avoid the baby spit up choking or even choking situation. If you are lying down, you need to raise your upper body appropriately and use gravity to fight against GERD. 4. Pay attention to observe the baby’s mental state and reaction: parents should pay attention to observe the child’s mental state, if the baby has been sleeping reluctant to eat or appear unexplained crying, need to consult a specialist as soon as possible. Newborn babies are also fragile due to insecurity. Parents should take care of their babies with care and patience, and inform the healthcare professionals as soon as possible if their babies have unexplained crying and are reluctant to eat.