In order to prepare for the aerial of freestyle skiingcompetition of 2002 winter games in Salt lake city, this article rethinks the regulation and characteristics of the event from the different aspects of event-group theory, winning factors, motion structure and training process based on the preparation of 1998 winter games in Nagano.%为备战2002年盐湖城冬奥会自由式滑雪空中技巧比赛，本文在备战1998年长野冬奥会的基础上，从项群理论、制胜因素、动作结构及训练过程等方面，对该项目的规律与特点进行了再认识。
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