There is no fastest treatment for children’s runny nose, children’s runny nose may be caused by cold air stimulation, respiratory tract infections, allergic rhinitis, etc., to improve the symptoms through hot compresses, medication, nasal rinsing and other ways. 1. Cold air stimulation: children’s noses for a long time by cold air stimulation after the nasal mucosa congestion, edema, nasal secretions will increase, and then there is a runny nose performance, to the nose to do local hot compresses, promote blood circulation, reduce the congestion of the nasal mucosa, edema state, reduce the symptoms of runny nose. 2. Respiratory tract infections: children’s respiratory tract infected by bacteria and viruses will also have a runny nose, nasal congestion and other symptoms, with anti-inflammatory granules, Pudilan anti-inflammatory oral solution and other medications, may improve the symptoms of a runny nose. 3. Allergic rhinitis: children with allergic rhinitis, contact with allergic substances, there may be symptoms of a runny nose, usually try to avoid contact with allergens, levocetirizine and other drugs to improve the symptoms, with saline rinse the nasal cavity, the nasal cavity of the secretion of the temporary removal, to relieve the symptoms of a runny nose. Children with more serious symptoms of runny nose are recommended to consult a doctor in time, the above medication is used as prescribed by the doctor.