In order to explore the attribution characteristic of success or failure of senior middle school students in physics examinations, 435 senior middle school students in county level school are sampled as the subjects of the questionnaire survey in which attribution questionnaire has been used. The results show: (1) As a whole, senior middle school students in county level school tend to attribute success or failure in physics examinations to interior causes, and they give the highest priority to the following three interior controllable causes: the sustained effort, temporary effort and learning methods. (2) There are significant differences in examinations results attribution between the students with self-satisfied and self-unsatisfied achievements. (3) There are no significant gender differences in success attribution, whereas there are certain gender differences in failure attribution. In terms of causes of failure results, girls attach greater importance to ability, learning methods, knowledge basis and task difficulty than boys. (4) There are no significant grade differences in examination results attribution.