Running runny nose need to identify the cause, may be cold air stimulation, vasomotor rhinitis, allergic rhinitis, etc., under the guidance of the doctor to carry out targeted treatment, such as medication and so on. 1. Cold air stimulation: Cold air stimulates the mucous membrane of the nasal cavity, which can cause sneezing and running nose symptoms. You can return to your room after running to rest properly and avoid contact with cold air. 2. Vasomotor rhinitis: caused by mental stress and changes in environmental temperature. Consider using nasal glucocorticoids, such as budesonide, fluticasone propionate, mometasone furoate, etc.; intranasal antihistamines, such as azelastine hydrochloride nasal spray. Reduce the symptoms of nasal congestion, sneezing and runny nose. 3. Allergic rhinitis: the main manifestations are nasal itching, paroxysmal continuous sneezing, large amounts of watery nasal discharge and nasal congestion, etc., which can be aggravated by inhalation of allergens during running. Consider the use of second-generation antihistamines, such as cetirizine, loratadine, etc.; nasal glucocorticoids, such as budesonide, fluticasone propionate, mometasone furoate nasal spray. Running runny nose, it is recommended that the patient hospital consultation, clear diagnosis, follow the doctor’s instructions for medication and treatment.