Our country delegation made a historic breakthrough in Beijing Olympic Games；the gold medal for the first time on top，the number of medals has reached a new high. State general administration of sport Liu Peng delivered the speech on our competitive sports "national system"；he said that China will uphold and improve competitive sports "national system" after the Beijing Olympics. Beacuse of China's successful experience in sports， the "national system" becomes focus for Chinese and foreign media once again. The article uses the method of information and interviews with experts in law and logic analysis for competitive sports to point out the advantages and disadvantages of "national system"，and at last the article points that "national institutions" should take the path of sustainable development.