A drink of cold water on the cough, may be cerebrovascular disease, cough variant asthma, bronchitis and other causes, should be timely consultation to identify the cause. 1. Cerebrovascular disease: cerebrovascular disease affects the swallowing function after drinking cold water, cold water into the trachea or bronchial tubes, resulting in choking symptoms. 2. Cough variant asthma: after drinking cold water, due to the low temperature, the airway appears hypersensitive state, cough symptoms, but also with wheezing, shortness of breath, chest tightness and other symptoms. 3. Bronchitis: If there is inflammation in the airway itself, drinking cold water aggravates the irritation, thus causing coughing symptoms. If you cough as soon as you drink cold water, there may be other reasons, you should consult a doctor in time, ask the doctor to clarify the specific cause, and carry out the appropriate treatment.