In this paper, there are explanations of some of these points in the content of the volleyball competition rules as amended by the International Volleyball Association during 2009~2012, including contacting the net unconsciously, penetration under the net, the libero, etc. The new rules didn't change a lot for the law of Volleyball games. Nevertheless, it has a greater impact on the application and development to the strategy in the games. The applied to the new rules not only shorten the time during the game, but also speed up the tempo and keep the game goes continuously and smoothly. The competitions on the top of the net are more intensively. The strategies for attack are creative constantly, and promote the volleyball players to the promotion of receive the ball and to application of the strategies, so that may shrink the gap between two sides. Referees must master the rules clearly. They should always to study the rule and to participate in the practice of volleyball competition to promote the game more fair and impartial. The coach and the player should be well known and understanding for the spirit of the rules. Using them positive and reasonable, adjust the training concepts, and develop effective training programs to adapt to the new rules with the changing-policy of team competitions as soon as possible to reach the victory. The purpose of amendment of the new rules towards the development of volleyball games more intense and exciting, to enhance the audience's appreciation, at the same time, to expand the games more commercial to promote corporate sponsors vendors to more actively support the development of volleyball.