Abstract: Objective：To analyze the detection results of acquired immune deficiency syndrome(AIDS),and to provide scientific evidence for the prevention and control of the disease.Methods：PA was used for the detection of HIV-1 anti-body before 1999,ELISA was adopted since 1999,and West blot was used for the confirmatory test since 2008.Results：A total of 22 547 samples were detected,and 262 cases of anti-HIV positive were identified,with a positive rate of 1.16%.Fifty-seven of the 262 cases(21.76%) were registered residents of Bengbu district,and the other 205 cases(79.24%)were residents of other places.Conclusions：The infection rate of AIDS in Bengbu district is comparatively low,but tends to increase year by year.