太极拳是中华武术中的优秀拳种,而技击是武术的本质,因此太极拳的本质也是技击。虽说目前国家大力宣传太极拳,但是更多地强调强身健体以及养生功能,从某种方面忽视了太极拳的本质——技击,以致现在太极拳技击原理的缺失。本文通过文献资料法等对太极拳中左搂膝拗步的动作以及技击用法来分析太极拳技击原理。 Tai Chi is an excellent boxing martial arts in China, and martial art is the essence of martial arts, Tai Chi is also the essence of martial art. Although the current state promotes tai chi vigorously, more emphasis on physical fitness and health-care functions neglects the essence of tai chi - martial art in some respects, resulting in the absence of tai chi martial arts skills. This article through the literature and other methods of Taijiquan in the left knee knee bend step action and the use of techniques to analyze the taijiquan martingale principle.