文章运用文献资料法、数理统计法、对比分析法,对国内外优秀男子跳远运动员的后10米助跑速度与跳远成绩的关系、腾起角度与跳远成绩的关系进行对比分析,发现影响中国男子跳远运动员成绩的主要因素在于:中国男子跳远运动员后10米助跑速度低于国外优秀男子跳远运动员;起跳腾起角度低于国外优秀男子跳远运动员。 By using the methods of literature review, mathematical statistics and comparative analysis, the article makes a comparative analysis of the relationship between the 10-meter run-up speed and the long jump performance of the elite male long-jump athletes both at home and abroad, The main factors of athlete’s performance are: the 10-meter run-length of Chinese men’s long-jump athletes is lower than that of the outstanding male long-jump athletes; the jumping-off angle is lower than that of the outstanding male long-jump athletes abroad.