Pacifiers can satisfy the non-nutritive sucking of newborns and effectively stabilize them, but it is recommended to suck for no more than one hour at a time. Pacifiers work similarly to nipples, increasing the baby’s sense of security and helping the mother stabilize the newborn. Pacifiers can also effectively exercise the newborn’s lips and improve his or her sucking ability, while developing the habit of breathing through the baby’s nose and helping to strengthen the immune function of the baby’s respiratory tract. As pacifiers are an item that can easily retain bacteria, parents need to do a good job of sterilizing them when using them to prevent germs from infecting their newborns. It is recommended that babies do not use pacifiers for more than an hour at a time to avoid affecting the development of the upper and lower jaws, resulting in a misalignment of the upper and lower teeth and affecting aesthetics. In addition, it is recommended that the pacifier be removed after the baby falls asleep to avoid dangerous situations such as suffocation.