Abstract: ［Abstract］Objective　To explore the influencing factors on the reported tuberculosis（TB）patients and suspects failing to the CDC（Center for Disease Control and Prevention）in Yunnan province．Methods　Twelve counties were selected in the study．A cross-sectional study was conducted on tuberculosis patients and suspects during September to November 2006 using questionnaires．Single-factor and multi-factor analysis were performed． Results　A totle of 634 patients（including TB patients and suspects）were reported．560（male 71.6%，female 28.4%）had come to hospital for diagnosis and treatment．Sex，degree of education and marital status had no influence on the rate of TB patients coming to CDC for diagnosis and treatment（P＞0.05）．But patients whether knowing free treating poliey of TB，forms of medical insurance and whether doctors informed patients free treating poliey of TB significantly influenced the arrival rate．Conclusions　The influencing factors on TB patients coming to CDC for diagnosis and treatment are as follows: forms of medical insurance， whether knowing free treating policy of TB and whether doctors informed patients free treating policy of TB. County level CDC should be integrated into one of the listed bodies of medical insurance and rural cooperative medical service. At the same time， we have to strengthen management and intervention on all levels of medical institutions.