Objective To evaluate the effectiveness of bio-safety theory intensive training before laboratory medicine intern-ship.Methods Collected 220 students of three universities in human before laboratory medicine internship,according to dif-ferent university,and the different grade of the same university,and the same class grouping pre-and post-the bio-safety in-tensive training,the objects of study in accordance with the training scheme to do on-site questionnaire survey by secret way in three universities,comparing the effectiveness pre-and post-t...