Abstract: Objective To evaluate the treamtent outcome of newsmear positiv epumlonary tuberculosis(TB)patients in Xi'an since the miplementation of TBC ontrol World Bank Loan/UK Project Grants from 2003 to 2008 for sustainable development of TB control.Methods New smear positive pulmonary tuberculosis cases registered by Centre for Disease Control and Prevention at every district(county)in Xi'an city from 2003 to 2008 were followed up and their trenamtent out come after a fully ear treamtent were analy zed.Results There were 27996 newly registered cases of active pumlonary tuberculosis in the population of Xi'an from 2003 to 2008.With 12924 smear positive cases,9685 were new smear positive cases(74.7%).Of the new smear positive cases,52% were young male farmers.Treamtent of smear positive pumlonary tuberculosis was completed in 11603 cases with an averagey early cure rate of 90.5%(10506/11603).There were 616 (5.3%)case with uncerta in outcome at the complemtent of the treatment,79(0.7%)uncured,89(0.8%)dead,89(0.8%) lost to follow up,and 160(1.4%)migrating to other residence.Conclusion Under tuberculosis trramtent management norm,sthe source of infection is effectively controlled in Xi'an.