Drinking cold beverages makes you susceptible to colds and flu, which may be caused by viral infections due to cold exposure caused by drinking cold beverages. Colds are caused by viral infections and are often triggered by factors such as exposure to cold and exertion. Drinking cold beverages will cause the mucous membrane of the throat to contract, leading to a decrease in local resistance, so that the virus lurking in the throat invades and easily causes colds, resulting in nasal congestion, runny nose, cough, sore throat and other cold symptoms. Colds are self-limiting, generally do not need special treatment, need to pay attention to ensure sleep, pay attention to rest, eat more fresh fruits and vegetables, try not to eat some cold and cold food. If the cough and phlegm are heavy, you can use Ambroxol to relieve cough and resolve phlegm; if the nasal congestion and runny nose are heavy, you can give pseudoephedrine to improve the symptoms. If the symptoms of cold and flu are serious, it is recommended to go to the hospital, under the guidance of the doctor to standardize the treatment, so as not to delay the condition.