D,action mass and success rate of China and foreign countries of women aerials priority athlete selected participate in world freestyle skiing games in 2007 and 2008.

Using documentation,investigation and interviews,video study and so on,the authors analyzed the situation in which the national female team of aerials freestyle skiing is preparing for the 21st Olympic Winter Games and worked out some strategies.

With the analysis method,it researches the skiers competitive style and athletic skill in Finland world cup freestyle skiing aerials games.

As a steady characteristic,trait anxiety can be an effective index for talent selection by psychology in aerial skill event.

By integrative treatment method related to kinesiatrics with some massage,medicine and acupuncture,there are 8 aerial skill skiers in freestyle skiing to be treated in the meniscus injury.

By using the method of documentary review,questionaire investigation and video-test,this paper rediscusses the changing of the judgment stand of freesytle-skiing aerial s clock method deeply.

By using the methods of investigation, documentary and video - test, this paper discusses the judgment standard of freestyle - skiing aerial s clock method deeply.

By comparison study on the degree of difficulty, the quality of execution and the setup of structure of freestyle skiing aerial competition in 18 th and 19 th Winter Olympic Games, the author points out that the degree of difficulty and the quality of execution have simultaneously and remarkably improved during the last four years.

Analysis on Chinese Female Athletes Willpower Level in Freestyle Skiing Aerials in the 20th Winter Olympic Games;