20世纪初，乒乓球运动在世界各地逐渐开展起来。1918年第一次世界大战结束后，欧洲许多国家相继成立了乒乓球协会，乒乓球比赛在各国之间日渐增多。1926年1月，国际乒乓球邀请赛在柏林举行，期间德国的G·勒曼博士倡议召开了一次有英国、德国、匈牙利、瑞典等国代表参加的座谈 At the beginning of the 20th century, table tennis was gradually carried out all over the world. After the First World War ended in 1918, many countries in Europe successively established the Ping Pong Association. The number of table tennis matches has been increasing between different countries. In January 1926, the international table tennis tournament was held in Berlin, during which Dr. G. Lehmann of Germany proposed to hold a discussion with representatives from Britain, Germany, Hungary, Sweden and other countries