据国家卫生和计划生育委员会信息,中国2014年新报告艾滋病毒(HIV)感染者和艾滋病(AIDS)病人10.4万例,较前年增加14.8%。AIDS传播蔓延的一个重要因素就是城乡流动人口的不断增加,而流动人口中较大比例涌入建筑工地。流动人口以青壮年居多,生活压力大,受教育水平低,缺乏必要的AIDS的预防知识,处于性活跃期的他们容易导致高危行为。因此,研究流动人口高危行为的现状和影响因素 According to the National Health and Family Planning Commission, China reported 104,000 newly infected cases of HIV and AIDS in 2014, an increase of 14.8% over the previous year. An important factor in the spread of AIDS is the growing mobility of urban and rural migrants, with a larger proportion of migrant workers flowing into construction sites. Migrant population, mostly young and middle aged, living under pressure, having low level of education and lacking the necessary precautionary knowledge of AIDS, are prone to high-risk behaviors during sexual activity. Therefore, to study the current situation and influential factors of high-risk behavior of floating population