Open air conditioning cough may be caused by allergies, cold and other factors, need to identify the cause of the disease, and then treatment. 1. The cold air blown out by the open air conditioner or certain allergens cause allergic reactions in some people. They should stay away from the allergens in time and go to a ventilated and open environment, and in serious cases, they should be treated with medication, including antimetabolic drugs such as loratadine, leukotriene receptor antagonists such as montelukast, and bronchodilators such as theophylline and salbutamol. 2. Due to cold wind and cold cough symptoms caused by mild should pay attention to warmth, drink more hot water, severe oral cough medication such as a variety of laryngeal tablets, compound licorice tablets, etc., if there is an infection should also be directed at the pathogen treatment, commonly used drugs such as cefuroxime, penicillin, streptomycin and so on. Open air-conditioning cough need to be treated according to the cause, should be carried out under the guidance of a doctor, daily attention to warmth, keep the environment clean and clean.