The common diseases of children with stuffy nose are allergic rhinitis, upper respiratory tract infection, etc. The causes are different and the treatments are different, so you should consult the doctor in time and ask the doctor to give treatment. There are different treatments for different causes, so you should consult your doctor for timely treatment. 1. In case of allergic rhinitis, antihistamines (such as cetirizine hydrochloride, etc.), nasal glucocorticosteroids (budesonide, etc.), etc. can be used under the guidance of a doctor. At the same time, attention should be paid to the daily rinsing of the nasal cavity with saline to avoid contact with allergens. 2. In case of upper respiratory infection, the patient can usually be accompanied by sore throat, cough, fever, stomach chills and other symptoms. Viral infections caused by upper respiratory tract infections generally supportive treatment can be, bacterial infections can be under the guidance of the doctor to use sensitive antibiotics (such as cefixime, etc.). Children with symptoms of nasal congestion should identify the cause of the problem and ask the doctor for targeted treatment. All of the above drugs should be used under the guidance of a doctor to avoid harm caused by the wrong use.