Abstract: ObjectiveTo provide scientific basis for making controlling measures related to AIDS by analysing their AIDS,syphilis and hepatitis C infections.MethodsSPSS 12.0 statistical software was used to analyse the epidemiological material drawn from 793 investigated persons.ResultsMale drug users were more than female and from outside with most aged between 20～40,they usually adopted intravenous injection or intramuscular infection.Syphilis had no relationship with drug use(P>0.05),while infection drug use had a clear relationship with AIDS and hepatitis C(P<0.05);drug users sharing syringes with each other were about 22.3% among all of those.ConclusionPreventing sharing syringes from being infected with AIDS and hepatitis C has a long way to go.Some comprehensive methods should be employed to prevent those infectious diseases.