In order to adapt the requirements and trends in broadcast and to increase excitement of the games, World Taekwondo Federation announced the "Bylaw on WTF World Ranking" in 2009 and published three world ranking lists in June, July and September, 2009. The purpose of the study is to introduce the new WTF World Ranking system and to explore its designs and characteristics, and then, develop possible responses for taekwondo development in Taiwan. The findings identified that this new system are going to have positive benefits to world taekwondo development, however, may also to have some possible negative impacts. The study recommends taekwondo professionals in Taiwan shall response the world ranking system immediately and design possible solutions to the system in order to maintain Taiwan's high level of performance in taekwondo.