Questionnaire survey and semi-structured interview were done in December 2005 and April 2006 to explore the reasons why foreign and minority medical students failed in course examinations last year.It is found that many factors affect their studying such as proficiency in Chinese,original foundation,studying and living habits,familiarity to the regulations of educational affairs,time and effort spent for self-studying and the attitude in which the teachers treat them.And also the correspondent countermeasures are given according to the survey and interview.