The purpose of this study was to confirm the differences between winner and loser groups of national team participated in the World Taekwondo Championships statistically and trends of psychological status according to applying mental coaching. In order to achieve the purpose it was the selection of 16 national members participated in the 2013 World Taekwondo Championships in Puebla. Data was selected by TOPS(test of performance strategy). The survey was conducted before and after applying the mental coaching and the game soon after. Data processing results were calculated utilizing Excel and SPSS 21.0 version. Based on the findings issue the conclusions were as follows. First, the psychological state of the winner and loser groups showed a different trend in the self-talk, emotion control, performed automatically, imagery, struggle, negative thinking, relaxation, condition factor. Winner group was shown maintenance or better trends of psychological state in the three times measurements on the other hand, loser group was shown decrease in the game soon after. Secondly, winner and loser groups are statistically significant differences in the psychological state of competition in self-talk, struggle, negative thinking, solving tension factors. In other words, The winner group had higher score in the four factors than loser group in the competition.
