Objective This work was to analyze the prevalence of HIV/AIDS from 2009 to 2013 in Henan province. Methods The data of HIV/AIDS cases in Henan province before 2014 was downloaded from the history card download of the national online case reporting system, and descriptively analyzed in this study. Results From 2009 to 2013, 2288 HIV/AIDS cases of people aged over 60 years were reported. The ratio of male to female increased from 1.56 in 2009 to 2.86 in 2013(χ2=31.171, P<0.001). The proportion of heterosexual...