In order to comprehensively evaluate the performance of former NBA players in the CBA league, this paper uses TOPSIS method to comprehensively evaluate the performance of six former NBA players in the CBA league 2012-2013 seasons. Select the shooting averages, 3-point field goal percentage, free throw percentage, averaged offensive rebounds, averaged assists, averaged mistakes and averaged scores seven indicators to evaluate a player's offensive ability;Select averaged defensive rebounds, averaged steals, averaged blocked shots and averaged fouls four indicators to evaluate the player's defens...