Professional sports clubs of each sport category are importing a large number of foreign players and coaches every year with an aim to attract more and more sport audience and enhance the overall level of national sports as a whole 的经常性业务。为了提高中国体育运动的水平，为了提高中国各种体育比赛的观赏性，中国的各个体育项目和职业体育俱乐部每年都需要引进很大数量的外籍球员和教练员。
