Objective To evaluate the validity and reliability of the Objective structured clinical examination in the final examination of the standardized training of medical residents in Jiangsu Province (referred to as standard training),and to provide reference for further formulation of standardized and scientific examination program.Methods The data analysis method was used.In September 2018,the Objective structured clinical examination scores of 1 713 medical residents in Nanjing Drum Tower Hospital of Jiangsu Province from 2013 to 2018 were selected as the research objects.The qualification rate,reliability,difficulty and discrimination of Objective structured clinical examination were analyzed and evaluated.Results The passing rate of residency standardized training graduation examination has enhancing persistently.Since 2014,the passing rate is maintained at 90%;The average Cronbach's α coefficient of resident examinations reached 0.667,the difficulty coefficient was between 0.832 and 0.892 and the discrimination was above 0.3.Conclusions From 2013 to 2018,Objective structured clinical examination in residency standardized training graduation examination in Jiangsu Provincehas high reliability,low difficulty and appropriate discrimination,and relatively reasonable in the examination site and content.It is necessary to strengthen targeted training for cites with low score and to promote the close integration of test content and training rules.