根据国家质量监督检验检疫局发布的《车辆驾驶人员血液、呼气酒精含量阈值与检验》规定，饮酒驾车是指车辆驾驶人员血液中的酒精含量大于或者等于20/100、小于80/100的驾驶行为，醉酒驾车是指车辆驾驶人员血液中的酒精含量大于或者等于80/100的驾驶行为。酒驾处罚标准2017酒精含量标准超过20，但不足80的，一律吊销驾照，5年禁驾。达到或超过80的，吊销驾驶证，10年禁驾并依法追究刑责重新取得驾驶证后，不得驾驶营运机动车。

According to the "Threshold and Inspection of Blood and Breath Alcohol Content of Vehicle Drivers" issued by the State Administration of Quality Supervision, Inspection and Quarantine, drunk driving refers to the driving behavior of vehicle drivers whose blood alcohol content is greater than or equal to 20/100 and less than 80/100, and drunk driving refers to the driving behavior of vehicle drivers whose blood alcohol content is greater than or equal to 80/100. The penalty standard for drunk driving in 2017 is that if the alcohol content standard exceeds 20 but is less than 80, the driver's license will be revoked and driving will be banned for 5 years. If the driver's license reaches or exceeds 80, the driver's license shall be revoked, and the driver's license shall not be driven after being banned for 10 years, and the criminal liability shall be investigated according to law.