目的了解不同活动场所男男性行为人群(MSM)特征及与圈内同伴交往状况。方法以MSM交友场所(同性恋酒吧、浴室和互联网)为依托招募MSM并采用面对面匿名问卷调查方式收集信息。结果共调查266名MSM,酒吧、浴室、网络型MSM各占41.73%、17.29%和40.98%,不同场所MSM年龄、文化程度、职业、婚姻状况、异性性行为发生比例等差异有统计学意义(P<0.05)。266名MSM共提名461位同伴。不同场所MSM在同伴年龄、安全套使用态度上有差异,酒吧型MSM与同伴存在性关系的比例显著小于浴室、网络型MSM,三者在与同伴性行为安全套使用坚持性上差异无统计学意义(P>0.05)。结论不同场所MSM在人口、行为特征及与圈内同伴交往状况上差异有统计学意义(P<0.05),影响HIV在该人群中的传播,应重视从社会层面开展有针对性的艾滋病干预。 Objective To understand the characteristics of men who have sex with men (MSM) in different venues and the status of social interaction with their peers. Methods MSM was recruited based on MSM dating sites (gay bars, bathrooms and internet) and collected using face-to-face anonymous questionnaires. Results A total of 266 MSM, bar, bathroom and online MSM were investigated, accounting for 41.73%, 17.29% and 40.98% respectively. There were significant differences in MSM age, education level, occupation, marital status and heterosexual behavior in different places P <0.05). 266 MSM nominated 461 companions. MSM in different places had different age and condom use attitude, and the proportion of pubic MSM and peer existence was significantly less than that of bathroom and web-based MSM. There was no significant difference in the consistency of MSM with that of companion P> 0.05). Conclusion The differences of MSM in population, behavioral characteristics and social interaction with peers in different places have statistical significance (P <0.05), which influence the spread of HIV in this population. We should pay attention to the targeted HIV / AIDS intervention at the social level.