Jiang Shui has the functions of expelling wind and cold and relieving cough. If the patient's cough is caused by wind-cold cold and the symptoms are not particularly serious, Jiang Shui can be properly drunk, which can play an auxiliary treatment role and improve the symptoms such as sore throat and cough, but it cannot completely cure the cough.
It should be noted that if cough is caused by wind-heat cold, drinking Jiang Shui is generally not treatable, and Jiang Shui is warm, which may lead to the aggravation of cough symptoms.