本文是在查阅文献资料并结合本人多年实践的基础上,研究乒乓球直径由38毫米变为40毫米之后对前三板技术的影响,即发球、接发球和发球抢攻。从乒乓球由小变大的发展历程、和变大之后对前三板技术的影响两个大个方面展开论述。其中第二部分详细论述了乒乓球直径变大之后对发球、接发球、发球抢攻的影响,并阐明了在球变大之后训练时应该注意的方面。 This article is based on the literature and combined with my years of practice, the study of table tennis from 38 mm to 40 mm in diameter after the first three board technology, serve, serve and serve. From the table tennis from small to large development process, and the larger after the impact of the first three board technology to discuss two major aspects. The second part elaborates on the impact of serve, serve and serve after the tennis table becomes bigger in diameter, and clarifies the aspects that should be noticed when training after the ball becomes bigger.