Through using the method of mathematical statistics, and taking events of high level sport talent reserve pool, the achievement got by each province in 10^th National Games and Athens Olympic Games as study objects, the paper makes analysis on characteristics of event structure, the benefit of events in Olympic Games in order to provide some suggestions for adjustment of events distribution. The result shows that the unbalanced event structure is mostly resulted from the National Games Strategy, the inconsistency between event proportion and Olympics Games Strategy is responsible for the poor ...