Purpose: Identify the differences on total gazing frequency, time, and fixation (trunk, arms, steps, head, or kicks) of Taekwondo Poomsae Referee in A when viewing 3D and 2D videoed Pyongwon movements, the difference between the three groups of Taekwondo Poomsae Referee site group, film group 2D, 3D same group of judges’ judgment scores Accuracy, Presentation and Total. Methods: Recruited 17 Taekwondo Poomsae Referee as site group 7 referee (2 in B grade and 5 in C grade) and 10 film group referee (1 international grade, 2 A grade, 4 B grade and 3 C grade), the film group used the 2D and 3D visual eye tracking equipment system to watch Pyongwon analyze the difference in Gazing frequency and Gazing time, and recorded the referee’s score sheet, compare site group and 2D and 3D different visual modes Accuracy, Presentation and Total. And the difference between 2D and 3DAccuracy, Presentation and Total of the film group. Results: In the different visual modes of 2D and 3D, 3D is significantly larger than 2D in total Gazing time and total Gazing frequency. In the Gazing time of various parts of Pyongwon, the trunk time of 3D is significantly more than that of 2D. In the Gazing frequency of various parts of Pyongwon, 3D is significantly more than 2D Gazing frequency in viewing arms, kicks and trunks. The scoring results of the three groups showed that there was no significant difference in the scores between 2D and 3D, and the Presentation and Total of the site group were significantly higher than those of 2D and 3D. Conclusions: The visuals of Taekwondo Poomsae’s actions in 2D and 3D visual mode are different. Using 3D visual mode can affect the judge’s visual search of Gazing frequency and Gazing time in watching the film, but it has no effect on the evaluation of scores.