Self-confidence is the important index for excellent athletes in sports, but it is a multi-dimensionality and level system, it has complex relationship with other psychological variables.

• 摘要在竞技运动中，自信是优秀运动员的重要标志，然而自信是一个多维度、多层次的系统，它与其他心理变量之间的关系错综复杂。