The reasons for red dots on the body after drinking are as follows: 1. Alcohol stimulation reaction: the appearance of obvious red dots on the body after drinking requires careful observation of the appearance of the red dots. If this red dot is diffuse appear, there is no obvious self-conscious symptoms, stop drinking alcohol will subside within a few hours, consider the possibility of a simple alcohol stimulation reaction, is the speed of blood flow in the skin after drinking alcohol, triggered by physiological flushing. Do not worry too much, it will not cause too much impact on the body, but it is not recommended that this group of people drink too much wine; 2, alcohol allergy: If there are red dots, accompanied by obvious itching, swelling, bump and many other symptoms, consider that it should be a simple alcohol allergy, this situation immediately stop drinking alcohol, choose to take oral cetirizine tablets or loratadine tablets and other desensitizing drugs, can accelerate the red dot receding, so that the swelling This can speed up the reduction of the redness, make the swelling, bulge and other clinical phenomena disappear, and achieve the effect of treatment.