Objective This paper attempts to give an analysis of the present situation of the freshmen’s infection of tuberculosis in order to provide a basis for TB prevention. Method To give a statistical analysis of 19 146 patients infected with TB which is diagnosed through x-ray chest examination

and take appropriate treatment and prevention measures for those who have been definitely diagnosed as TB. Results 25 students have been definitely diagnosed as TB. The TB infection rates are respectively 1.2 ‰ and1.3 ‰ in the year 2005 and 2006. The TB infection rate of boy students（2.22 ‰） is higher than that of girl students（0.48 ‰）. The difference between them is of great importance of statistics. （χ2=11.31

p<0.01）. Conclusion The TB infection rate of the college freshmen is still very high. Thus TB prevention work must be taken seriously.