过量饮酒，尤其是驾驶员酒后驾车所造成的危害已是一个严重的社会问题，国内外对此已有了一些研究，但对饮酒后测定其呼出气和血中乙醇并进行剂量、时间－反应关系的研究还不多见。饮酒后造成交通事故的主要原因是乙醇对行为功能的影响，如对反应时的影响、对疲劳度的影响、对 Excessive alcohol consumption, especially the harm caused by driver drunk driving is a serious social problem. Some studies have been done on it at home and abroad. However, after drinking alcohol, the exhaled breath and blood alcohol were measured and the dosage, The relationship between the research is rare. The main cause of traffic accidents after drinking alcohol is the effect of ethanol on behavior and function, such as the impact on the reaction time, the impact on fatigue,