In this article we explore the possible acting mechanism of mental health factors on the academic performance and search for more reliable indexes to assess the academic aptitude in medical students by employing various statistical methods . and we hope it would provide some useful information on the methodology in the similar research 本研究通过调查医学生的心理健康状况指标，应用多种统计方法来研究这些指标与学习成绩的关系，初步探讨这些心理卫生因素对学习成绩影响的可能机制，并从中寻找用于评价学生学习成绩影响因素的可靠指标及其统计技术，为处理同类问题提供方法学上的指导。
