When introducing the twelve forms in this book, each "form" is divided into four parts: the first part is to explain the style, characteristics, training methods and essentials of the form through the stories or real stories of the predecessors, so that readers can have a rational and comprehensive understanding of the form; The second part introduces the traditional training methods (that is, basic routines) of this form, which is also the essence of this form, so we must try our best to find the characteristics and strength of this form; The third part focuses on the classic routine of this modeling. Through practice, you can improve your interest in practice, enrich and master the more ingenious techniques of this shape, strengthen your body, prolong your life, and understand the characteristics and essentials of this shape more deeply. The fourth part is the practicality of Wushu. Through the introduction of some movements, I learned the skills of self-defense. In short, through the study and practice of these four parts, we will certainly be able to understand the essence of form and master the true meaning of form, so as to practice the real kung fu of Xingyiquan.