乙醇是一种中枢神经系统抑制剂，血液中乙醇浓度增高时，会造成大脑功能进行性紊乱，随着乙醇浓度的增加，可出现活多、逻辑思维困难、行为失检，然后是酷配大醉、不省人事，甚至最终因呼吸困难而死亡。长期过量饮用乙醇还会导致肝损害。值得注意的是乙醇对药物作用的影响，在 Ethanol is a central nervous system inhibitor. When the concentration of ethanol in the blood is increased, it will lead to the progressive disturbance of brain function. With the increase of ethanol concentration, there may be more livelihood, more logical thinking difficulties, misbehavior, Drunk, unconscious, and even eventually died of breathing difficulties. Long-term excessive consumption of ethanol can also cause liver damage. Of note is the effect of ethanol on drug action