After a cold, the human body is prone to fire, such as coughing, coughing yellow phlegm, yellow runny nose, and coffee is a warm food, can promote the human body on fire situation. So if you have dry mouth, thirst, fear of heat, sweating, and at the same time coughing yellow phlegm, yellow nose, it is not very recommended to drink coffee, coffee can make the cough, coughing yellow phlegm aggravated. However, if the runny nose, coughing white phlegm, not afraid of heat, but afraid of cold, such patients can drink coffee, and drinking coffee pungent warm sweat, but also has the effect of cough.