Nasal congestion in newborns, consider upper respiratory tract infection, if there are no other symptoms, most of the 3~5 days to improve; dry indoor air, humidification of the air, 2~3 days to improve. 1. Upper respiratory tract infection: the baby may be cold or infected with family members, normal breastfeeding children, breast milk contains a large number of immune-active cells, with immunomodulatory effects, simple nasal congestion, can be improved in 3 ~ 5 days on their own, can be used to warm towels on both sides of the nose, to alleviate the symptoms of nasal congestion. 2. Dry indoor air: nasal mucous membrane secretions, can also cause nasal congestion, pay attention to keep the indoor air moist, you can use saline, physiological sea salt water nasal spray to clean the nasal cavity, clean up nasal secretions, alleviate the symptoms of the baby’s nasal congestion, most of the 2 ~ 3 days to improve. If the symptoms of nasal congestion are still not relieved after 3~5 days, or the symptoms continue to worsen, it is recommended to take the child to the hospital, check and confirm the diagnosis after targeted treatment.