Abstract: League match service not only possesses the common characteristic with other services,for example intangible,otherness,produce and consumption simultaneously,but also possesses the unique characteristic,such as comprehensiveness,corporation,unpredictability and recalling.Based on the characteristic of league match,combining with the earlier research,we choose four CBA clubs to survey,and build a model of service quality about league matches with application PCA and standard deviation.Finally,we find out that the service level of the four clubs is ordinary generally,but the four clubs have different advantage in the quality of environment of game venue,the quality of subsidiary service and goods and the core quality of game.Clubs should learn each other and improve the level of service mutually.