Objective To investigate the epidemiology of tuberculosis among students in Chongqing in order to provide the base for further TB control among students .Methods The registration information of tuberculosis among students during 2009-2011 in Chongqing were collected and analyzed by SPSS19 .0 .Results Totally there were 341 students with tuberculosis in Chongqing o-ver the past 3 years ;among them ,there were 39 .0% in 2009 ,27 .9% in 2010 and 33 .1% in 2011 .The majority (71 .8% ) were students aged 18-20 years ;male patients shared 62 .8% ;the undergraduate patients accounted for 81 .5% of all the cases .About 77% patients were referred by the clinic of the school to TB dispensary .99 patients with delay treatment ,81 cases of patients with delayed diagnosis .Conclusion TB prevention and control in the school should attracted high attention in Chongqing .The health workers in school clinics should be trained and should improve their awareness in screening ,preventing and controlling TB among students .