Standardized patient（SP） is the core element of medical student evaluation system and completes the contents and tasks of objective structured clinical skills examination（OSCE）. Its training level directly affects the accuracy and science of the evaluation system. By training and man-agement， SP can be applied in interrogation， physical and other exams for undergraduate， graduate， continuing education students. It has been recognized apparently that the application of SP meets the target of cultivating innovative medical talents and plays a key role in practice evaluation and ap-praisal system. SP is the useful supplement for the current clinical teaching methods and means.