Abstract: Depending on the methods of literature, interview and video analysis, the study analyzes the typical cases video replay deliberation of the 12th National Taekwondo Tournament. Results: the Taekwondo rule has no affirmation criterion for rotation technology. The referee has judging difficulties in the case of double fouls, a foul and a score successively and unrelated deliberation through multi-technological means. There exists applying difficulty between Taekwondoers and coaches. Conclusion: the application of video reply deliberation for the critical rotation technology should be focused on the content of score by striking the head or the invalid opposite head strike. Coaches should correctly understand the sequence of two Taekwondoers’ fouls to determine their primary and secondary factors, their purposes and profit factors. The case of foul and score successively should be based on the start and placement of the attacking legs. For multi-technological applying cases, the coaches should judge the applying contents timely upon the need of match. The research is conducive to improving Chinese coaches’ instructing performance and their success ratio for applying as well as providing theoretic reference for Chinese Taekwondoers performance in the world tournaments.

Key words: Taekwondo, Video reply, Difficulties, Discrimination