The phlegm from the baby’s back pat may have been swallowed or spit out, and babies with phlegm are advised to seek prompt medical attention in addition to back patting. If you have a baby and you don’t know what you’re talking about, you’re going to be able to find out what you’re talking about, and you’re going to be able to find out what you’re talking about. In fact, this situation is relatively rare, out of the phlegm into the lungs again will lead to infants choking, parents can immediately notice. Since infants do not spit, most of the phlegm that is expelled by back patting is swallowed, enters the digestive tract, and is then excreted in the stool. Other infants may spit the phlegm out directly. Most of the time, back-patting cannot solve the problem, so it is recommended to go to the hospital in time to have a thorough examination to determine the cause of the problem and then give targeted treatment.