本文采用自填问卷方式，对黑龙江省哈尔滨市四所高校在校生使用精神活性物质情况进行分层抽样调查，结果表明，在四所院校学生中，使用精神活性物质的前四位分别是酒类、烟草类、解热止痛药和镇静催眠药。男生中占第一位的是酒类，第二位是烟草类，第三位是解热止痛药。女... This paper uses a self-administered questionnaire to stratify sample survey of psychoactive substances in four colleges and universities in Harbin City, Heilongjiang Province. The results show that among the four college students, the top four psychoactive substances are alcohol Classes, Tobacco, Antipyretic Analgesics and Sedatives and Hypnotics. Boys dominated alcohol, the second is tobacco, the third is anti-inflammatory painkillers. Female...