运用录像统计方法对排球规则修改前后发球区域、发球落点及攻击性进行了统计和效果比较分析,结果表明规则的修改为发球者创造了一定的优势条件,打破了已延续多年的3m发球模式,加大了发球的攻击性。同时也将带来接发球技术的创新,进入了发球与接发球技术的平衡时期,推动了排球技术的发展。 The statistics and the comparative analysis of the service areas before and after the volleyball rules were modified by video statistics were conducted. The results show that the rules modification has created some advantages for the serve, broke the 3m serve mode that has been extended for many years , Increased service aggressiveness. At the same time, it will also bring the innovation of receiving service technology into the balance period of serving and receiving service, and promote the development of volleyball technology.