By using the method of documentary investigation and mathematical statistics,this paper discusses the international competitive stre ngth of our badminton,gets to know the patterns of badminton at home and abroad, makes analysis on performance of 25~27 Olympic Games and 5~9 National Games.The result shows that the strength of badminton in the world presents a pattern of t hree strongest countries.The development of our strength should keep the top pos ition for woman events,further increase the man’s event strength and gradually forms the patt...