When the whole body turns red after drinking alcohol, it is considered that it may be triggered by alcohol allergy. It is recommended to stop drinking alcohol immediately and take oral cetirizine tablets and loratadine tablets to effectively stabilize mast cells and prevent mast cells from continuing to degranulate. Reduce the speed of local blood circulation, so that the body flushing state gradually disappear, it is necessary to use cold compresses of chilled mineral water, also has the effect of receding red. In daily life, eat moderately more thymidine enteric tablets and pidomod pellets to improve immunity, increase resistance to alcohol and reduce the probability of recurrence, and it is better to completely cut off alcohol in the future.