By using methods of literature review and mathematical statistics, the paper researches the ahievements of our athletes in the World Youth Athletics Championships and World Athletics Championships in the depth , find a significant gap phenomena in talent of athletes, and finally analyzed the reasons for the phenomenon. The results show that:(1) a significant gap phenomena in talent of athletes (2)The growth of Chinese track and field athletes becoming talent has a obvious gap. Compare to the World Track and Field powers, china in the World Youth Championships do not fall behind , but in the World Championships is obviously infe-rior to other powers;(3) The reason for the gap is mainly due to some problems in our athletes training at a young age, the rea-sons are as follows: mental training is not enough emphasized in youth; sports training in youth is too early specific training and turn modes for teenagers into those for aduthe relationship between skills training and physical training during youth is for lack of realization.%运用文献资料法、数量统计法，对世界田径青年锦标赛、世界田径锦标赛中我国运动员竞技成绩进行分析。结果表明：我国田径运动员成才有明显的断层现象；在世界青年田径锦标赛中我国与世界田径强国实力相当，但在世界田径锦标赛中明显劣于其他强国；我国田径运动员成才出现断层现象主要是青年时期心理训练重视程度不够；青少年时期运动训练过早专项化、成人化；青少年时期技能训练与体能训练关系认识扭曲。
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