As newborns, infants and toddlers neurological development is not perfect, the reflexes are still weak, will not be able to choke into the respiratory tract of milk clucking out, serious cases can lead to aspiration pneumonia, and even “choking asphyxiation”. 1, should immediately turn on its side: if vomiting occurs when lying flat, quickly turn the baby’s face to the side, or let the baby lie on its side, and pat its back. 2, quickly clean up the secretions in the nasal cavity oral cavity, to prevent again lead to inhalation, and cause aspiration pneumonia or bronchitis, with a nasal aspirator suction nasal cavity, with a towel or something suction oral cavity inside. 3, pat the back: If the child is blue, proving that the milk has entered the respiratory tract, this time you need to turn sideways, pat his back, from top to bottom from left to right to the middle pat chant, to relieve this symptom. 4, play the soles of the feet: if the above three are done, still can not relieve the play baby’s soles, must be hard, so that the child, through their own cries, the milk inhaled into the lungs to spray out, can achieve normal breathing situation. While operating at home, you must quickly call 120 to prevent your own rescue from delaying the child’s condition.