After the baby’s nose spurts milk, it is necessary to clean up. Since the baby’s digestive system is not well developed, the baby’s stomach volume is relatively small, and the stomach is in a horizontal position, and the cardia opening is relatively flaccid. During the process of feeding, if the baby eats too fast, eats too much or ingests a lot of air, it will easily lead to the symptoms of spitting up. In the case of a large amount of spit-up, it will come out of the baby’s nasal cavity. In this case, it is important to clean your baby’s nasal cavity in time to avoid inflammation caused by the growth of bacteria in the nasal cavity. When cleaning your baby’s nasal cavity, you should use soft cotton dipped in warm water, wet it and then gently reach into your baby’s nasal cavity to avoid damaging the baby’s nasal mucosa.