目的：本研究旨在探討2020年東京奧運會跆拳道68公斤級金牌選手5場次比賽，採直播錄影賽後分析，方法：利用系統觀察法紀錄並彙整，所得資料以MS-EXCEL電腦程式運算並進行描述分析，結果：1.Ulugbek Rashitov選手在攻擊取向中以被動攻擊高於主動攻擊；左、右腳攻擊型態則以右腳攻擊數明顯高於左腳攻擊數；前、後腳攻擊型態上則以前腳攻擊高於後腳。攻擊成功率：以後腳54%攻擊成功率高於前腳13.61%成功率；正拳攻擊動作以左手攻擊成功率50.00%遠高於右手攻擊成功率0%。2.攻擊動作型態之攻擊數：以卡腳161次為最多。3.攻擊動作型態之得分次（得分數）與成功率：得分次以後踢為最高成功率：則以逆旋踢為最高。結論：Ulugbek Rashitov選手為右前左後站姿：右腳以主動牽制、試探與破壞為主，左腳及左手以攻擊得分為首；主要攻擊得分動作為後踢、正拳及前腳下壓，此為致勝關鍵技術動作型態，藉此提供國內教練、選手訓練之參考依據。

Purpose： to investigate the five competitions of the 68kg gold medalists in the in the 2020 Tokyo Olympic Games of Taekwondo, by video post-match analysis. Methods： the Video System Observation Approach was used to record and compile the obtained data. The MS-EXCEL program was used for calculation and description analysis. Results： 1. the passive attack approaches of Ulugbek Rashitov are higher than active attack approaches; the number of attacks with the right foot is significantly higher than the number of attacks with the left foot; the front foot attack is higher than the rear foot. The attack success rate： the rear foot attack is 54% which is higher than the front foot attack (13.61%), and the success rate of the left-hand frontal punch is 50.00%, higher than the right-hand frontal punch, which is 0%. 2.The frequency of the main attack patterns： the frequency of front side kick is up to 161 times. 3.The frequency of scoring and success rate of the main attack patterns： back kick is the highest scoring skill; the reverse kick has the highest success rate. Conclusion： Ulugbek Rashitov applied Open Stance. The right foot is mainly used for active restraint, probing and destruction. The left foot and left hand were aims to attack and score; the main attacking and scoring actions were back kick, frontal punches and front foot axe kick. These patterns are the key technical actions to win and provides a reference for domestic coaches and players to train.