| Trio basketball officially appeared in the Tokyo Olympics on July 25,2021,marking the development of trio basketball to a new level of history.China’s three-person basketball national men’s and women’s teams both advanced and both qualified for the Tokyo Olympics.In the end,China’s men’s three-basketball players played poorly and did not advance to the second round of the competition,while China’s women’s three-person basketball players won the bronze medal in the bronze medal battle with a 16-14 victory over France and won the bronze medal in this event,which is also the "three major " project in the current Olympic Games won the only medal.In order to investigate the advantages and shortcomings of Chinese women’s basketball team in defense,this paper adopts video observation method,mathematical statistics method,literature review method,expert interview method and logical analysis method to investigate the advantages and shortcomings of Chinese women’s three-person basketball team and The research and analysis of the defensive techniques and tactics used in the 28 games and of the champion and runner-up are as follows.1,China’s height,weight and Ketorai index are better than the champion and runner-up teams,in terms of age,the age structure of China’s players is young,which provides certain advantages for China’s use of defensive techniques and tactics.2.In terms of defensive techniques,the Chinese team was inferior to the champion and runner-up teams in terms of control of points lost,shot prevention,breakthrough prevention,"steal,break,hit" and cap;however,it was better than the champion and runner-up teams in terms of ability to grab defensive rebounds and foul control.3.In terms of defensive tactics,China is not as effective as the first runner-up team in defending the overall effect of cover coordination,of which the highest percentage is using exchange coordination;China is not as good as the first runner-up team in defending breakaway coordination and passing coordination;China is better than the first runner-up team in defending low-post coordination,but not as good as the first runner-up team in defending the high post.4.In terms of defending the opponent’s steal,China’s team was not as good as the championship team in defending the opponent’s steal after scoring and stealing or cap;however,with the advantage of height and weight,China’s team was better than the championship team in defending the steal after stealing the rebound.5.In terms of the whole team’s defensive tactics,they all used man-to-man defensive tactics.In the defensive process,the Chinese team is not as good as the championship team because of the low communication and physical communication. |