Objective: To analyze the situation of high risk behaviors and other STI/AIDS factors among men who have sex with men (MSM) by examining the situation in a city of southwest China.

• 摘要目的：通过对西南某大城市男男性接触者性病爱滋病及高危行为分析，探讨男男性接触者中的高危行为及STI/AIDS流行情况。