This book is an introductory classic compiled for Tai Chi practitioners. Based on the core essence of traditional Tai Chi, it systematically sorts out the fundamental essentials for beginners. It elaborates on core basic skills including standing meditation, body posture, footwork, breathing mind method and yin-yang transformation, breaks down movement details, analyzes Tai Chi principles and corrects common beginner mistakes. Progressive and practice-oriented, it suits self-study learners and helps senior practitioners consolidate their foundation and perceive the essence of Tai Chi self-cultivation.