Perennial practicing Tai Chi helps physical and psychological health. In order to promote the sport more scientific, this paper collected movement data using infrared long-range program for ten 24-style Tai Chi coach. Use EXCEL to plot the data picture to get the kinetic parameters variation rule of Tai Chi. Then analyze the characteristic of the figure and data using biomechanical principles. At last, it obtained 24-style Tai Chi movement science improvement suggestions. Research by the proposed method and analyzed results, this paper not only provided a more scientific and technical guidance for the 24-style Tai Chi exercise, but also provided a theoretical basis for the study of Tai Chi.