This book was written in 1929 by Jiang Rongqiao. It contains essays on the nature, history, and principles of Xingyi Quan. Jiang also collected the oral traditions from the Henan and Hebei branches and recorded them in this book. It also contains a chapter on qigong and pictorial descriptions of the Five Elements Fists, Mutual Creation Fist, Mutual Destruction Fist, and Lianhuan Quan, the mother fists (mu quan) of Xingyi.