Blowing on the baby baby will twitch a little is usually caused by the baby’s defensive reflex. Blowing on a baby is a baby’s reaction to sudden stimuli, a defensive reflex, a symbol of the human nervous system, sound and sensitive. Usually it is not recommended to blow on the baby, because blowing on the baby may spread the disease to the child, it is also easy to spread the bacteria to the child, at the same time, the baby’s mouth and nose near the oxygen sucked away, but also discharged carbon dioxide, which is very bad for the baby’s oxygen intake. Blowing on the baby baby will draw a little, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.