5-year-old children at night nasal congestion is mostly considered to be due to environmental dryness, allergic rhinitis, acute upper respiratory tract infection, adenoid hypertrophy and other factors, can be improved through the environment, away from the allergens, medication, surgical treatment and other methods to alleviate. 1. Environmental dryness: If the nasal congestion of a 5-year-old child at night is caused by the air being too dry at night, it can be relieved by changing the temperature and humidity of the child’s sleep and drinking more water to moisten the airway. 2. Allergic rhinitis: if the allergic rhinitis caused by 5-year-old children at night nasal congestion, need to stay away from allergy-prone environment, to ensure that the sleeping environment is suitable and clean. If necessary, you can follow the doctor’s instructions to be mometasone furoate nasal spray and other anti-allergy treatment. 3. Acute upper respiratory tract infection: If it is due to acute upper respiratory tract infection caused by 5-year-old children at night nasal congestion, you can promptly consult a doctor, such as the consideration of viral infections, sputum nebulization and other symptomatic supportive treatment, such as the consideration of bacterial infections can be prescribed to the cefuroxime and other anti-infective treatment. Clinically, there are many reasons why a 5-year-old child’s nose is stuffy at night, for example, adenoid hypertrophy and other similar symptoms can occur, daily to give the child a light diet, to avoid nasal damage, if the above symptoms are relieved, it is recommended to consult a doctor.