Abstract: Objective To investigate the situation of tuberculin skin reaction and tuberculosis in the freshmen of universities in district Changping,Beijing,in order to adopt appropriate method and measure to control the infection source. Methods Do the tuberculin skin testing in the freshmen of universities continuously for three years in district Changping.Perform chest X-ray examination and sputum examination in tuberculin-strong-positive freshmen to find active patients with tuberculosis. Results Of 139 136 freshmen from 21 universities examined by tuberculin skin testing,the freshmen whose diameter of tuberculin skin reaction were more than 5 mm accounted for 16.48%,17.63%,and 38.06% every year for recent 3 years,respectively,in which there were 226 cases with active pulmonary tuberculosis,44 cases with tuberculous pleurisy,46 cases with inactive pulmornary tuberculosis,16 sputum smear-positive cases,3 sputum culture-positive cases. Conclusion The situation of tuberculosis in the university students was severe.The university students should be put importance to tuberculosis prevention and control,strengthen the examination at enrollment to early find and treat the patients.

Key words: Pulmonary tuberculosis/prevention and control, Tuberculin testing