This book consists of two parts, involving the localization of the distribution of meridians and collaterals, the cooperation of meridians, the activity of Qi, classification of definitions, attribution of characteristics to specific meridians, and the pathways entering the organs and viscera. It covers the relationship between meridians and nerves, blood vessels, muscles, tendons, and fascia, the overlap of meridians, the flow and infusion of meridian Qi, divergent meridian is collateral, redefinition of the extraordinary meridians, detailed discussion on the eight extraordinary vessels, attribution of skin areas, transmission through fingers and toes, and the exchange of starting points on the head, face, not on the hands, and feet. This book is written in Chinese and translated into English. The aim is to restore the original essence of the meridians and collaterals, trace back to the original Qi of acupoints, expand associative thinking, and present the dynamic jumps of spirit.