This essay focus on the defensive ability of the top 8 men's basketball teams in the 16th Asian Games. Documentation analysis, Rank-sum ratio and related analysis have been used in this report. According to this report, among the men's basketball top 8 teams, on their defense, Korea gets the highest level, North Korea is in the lowest position. The RSR figure in defense is obviously related to their place in the World Men's Basketball Tournament in 2016. The forward place gets the bigger figure. According to the defense index statistic, coac...