Nasal congestion in 6-year-olds is often caused by edema and congestion of the nasal mucosa, and it is generally recommended that it be treated through life interventions or medications. 1. Life intervention: 6-year-old children with colds and nasal congestion can improve indoor humidity, let the children drink more water, eat a light diet and other ways of life intervention, can be humidification of the airway, on the relief of colds and nasal congestion to play an auxiliary role. 2. medication: 6-year-old children with colds and nasal congestion is usually due to the emergence of nasal mucosal edema, congestion, etc., can follow the doctor’s instructions to use hydroxymetazoline, ephedrine nasal drops to shrink the nasal mucosal blood vessels, to reduce the nasal mucosal edema and exudation. 3. active treatment of primary diseases: the baby appeared after the cold, the need for active treatment, can improve the blood routine to assist in the diagnosis, such as the possibility of bacterial infection, can follow the doctor’s instructions with amoxicillin clavulanic acid potassium and other drugs anti-infective treatment. If you consider viral infections can be given to suction, sea salt water nasal spray and other symptomatic support treatment. If a 6-year-old child develops symptoms of cold and nasal congestion, he or she should go to the pediatric clinic of the hospital in a timely manner. All of the above medications should be used under the guidance of a doctor, avoid self-medication to avoid danger.