If the baby is too young to perform the corresponding cough reflex, this time as a parent can use the nebulization method to achieve the purpose of sputum excretion for the baby. Usually nebulization is done at least 3 times or more to achieve the corresponding effect. Secondly, the method of turning and patting the back can also be used to help the baby to eliminate phlegm. At this time, you can let your baby turn over and keep patting the back with the palm of your hand to loosen and dilute the phlegm, and you can also feed your baby more water, which is also beneficial to the dilution of phlegm after increasing the water.