Abstract: The summing-up of China's winning advantages and successful experience in preparing for the Tokyo Olympics is of great significance to preparing for the Paris Olympics and promoting the high-quality development of competitive sports during the“14 thFive-Year Plan” period. This research analyzed the performance of our traditional strong sports, basic physical events, hand-tohand sports and collective ball events in the past three Olympic Games by using theory and empirical methods comprehensively. It is found that, the success of Chinese sports delegation in the Tokyo Olympics is mainly due to 4 objective factors and 5 subjective factors, and these successful experiences are very important for the preparation of the Paris Olympics. For the preparations of the Paris Olympics, this study suggested that: To strengthen the confidence of the Olympic preparations and participation system with Chinese characteristics, and enhance the comprehensive effectiveness of the new nationwide system; conforming to the development trend of the Olympic Games, and promote the innovation of the Olympic preparation; to investigate the winning rules of competitive sports and enhance the ability to win glory for the country; establish a new model for the preparation of the Olympics with science and technology, and improve the level of digital and intelligent training; to create the “Olympic Champion Models” and improve programmatic participation and systematic guarantee capabilities.