The newborn’s nose is not ventilated, the cause of respiratory tract infection, spitting up, boogers, allergic rhinitis, etc., according to the cause of the targeted treatment, including cleaning the nasal cavity, taking medication and so on. 1. Respiratory tract infections: viral infections are usually treated with supportive therapy, including nasal cleaning, etc. If bacterial infections need to be treated with antibiotics according to the infecting pathogen, such as cefixime. 2. spit up: if the child has spit up milk into the nasal cavity, may also lead to nasal congestion symptoms, parents need to pay attention to the posture of breastfeeding, do not let the newborn baby lie down immediately after feeding. 3. Boogers: If there is a booger blockage, you can drop saline to loosen the boogers, clean up the nasal cavity and relieve nasal congestion. 4. Allergic rhinitis, accompanied by other symptoms, such as itchy nose, sneezing, runny nose, etc. Allergen testing is needed to avoid re-exposure to allergens. If the effect is not good, if necessary, and then follow the doctor’s instructions for anti-allergy treatment. Newborns with prolonged unrelieved nasal discharge need to be treated in a timely manner to avoid delayed treatment. The above drugs should be used under the guidance of a physician.