Blowing the air conditioning runny nose is considered to be allergic rhinitis, vasomotor rhinitis, should reduce the number of times blowing the air conditioning, clean the air conditioning filter, including general treatment, drug treatment. 1. Allergic rhinitis: blowing the air conditioning runny nose is generally allergic to dust and dust mites and other allergies caused by runny nose, itchy nose, sneezing and other symptoms, first of all, you need to clean up the air conditioning filters, wear a mask and so on. Use of second-generation antihistamines, such as loratadine, cetirizine, etc.; glucocorticoid nasal spray, such as fluticasone propionate nasal spray, etc.; joint nasal irrigation to improve symptoms. 2. Vasomotor rhinitis: sudden changes in environmental temperature can be caused by a runny nose, sneezing, nasal congestion and other symptoms. Treatment first reduce air-conditioning, air-conditioning temperature settings to avoid too low, to avoid sudden changes in temperature. Glucocorticoid nasal spray can be given, such as fluticasone propionate nasal spray, etc.; intranasal antihistamines, such as azelastine hydrochloride nasal spray and other treatments. Blowing the air conditioning runny nose, it is recommended that the hospital consultation, diagnosis is clear and follow the doctor’s instructions for medication and treatment.