Newborns with nasal congestion and phlegm may be related to respiratory tract infections, need to pay attention to warmth, and most of the general treatment and drug therapy. Newborns due to the relatively short nasal cavity, narrow nasal passages, nasal mucosa tender and rich in blood vessels, infection of the nasal mucosa swelling, easy to cause blockage, nasal congestion, while the respiratory mucosa secretion of more mucus, the formation of sputum. Treatment is as follows: 1. General treatment: keep warm, drink more water to dilute phlegm, apply warm towel to the root of the nose to relieve nasal congestion, pay attention to maintaining indoor temperature and humidity; open the window properly to keep indoor air circulation. 2. Drug treatment: when the amount of phlegm is large, it should be treated with drugs to dissolve phlegm, such as oral aminoglutethimide or nebulization; when combined with bacterial infections, it should be treated with antibiotics, such as cefixime, etc. All the above drugs should be prescribed under the supervision of a physician. All of the above drugs should be used under the guidance of a physician, and should not be used on their own. As the immune system and other systems of newborns are not yet well developed, it is recommended to consult a doctor in time if nasal congestion with phlegm occurs, and be evaluated by a specialist, complete the relevant examinations and give targeted treatment.