通过中美两国男篮在第２６届奥运会竞赛录像观察，对中美两国男篮防守阵型与球员防守能力等进行统计与比较分析。结果表明：两国男篮防守阵型不同；队员的防守理念和能力均有显著差异；防守阵型与队员的防守能力有密切关系。旨在为提高我国男篮运动技术水平提供理论依据． Through the video observation of the 26th Olympic Games competitions between China and the United States, the statistics and comparative analysis of the defensive formation and the defensive ability of the men’s basketball team between China and the United States were carried out. The result shows that the defensive formation of the men’s basketball teams in the two countries are different; the defensive concepts and abilities of the team members are significantly different; the defensive formation is closely related to the team’s defensive ability. Aiming to provide a theoretical basis for improving the technical level of men’s basketball in China.