Abstract: Objective To investigate the HIV and syphilis infection in male homosexuality in Tangshan city and to provide scientific basis for making intervention measures.Methods Cross-sectional study was conducted.Serum syphilis and HIV detection were given to volunteers selected from a anonymous questionnaire survey in male homosexuality population of Tangshan.Results Among 120 participants,114 valid questionnaires and 77 blood samples were obtained.The infection rate of syphilis and HIV was 29.87% and 7.79%,respectively.Only 17.92% of subjects used condoms when they had homosexual action in the last half a year.Conclusion There is a risk of HIV and syplilis transmission from rnale homosexuality to general popuplation in Tangshan city and countermeasures should be taken.