This book systematically combs through the history of the Great Wall from cultural and historical perspectives. The author, by focusing on the main body of the Great Wall and relying on the vast geographical, cultural and historical space associated with the Great Wall, adopts a documentary approach to present the historical events and figures as they are, tracing the origin and decline of the Great Wall. From the rudimentary form of the Great Wall to the Great Wall in various historical periods of Qi and Chu, Yan and Zhao, Qin, Chanyu, Hanwu, Xianbei, the book intends to present a complete biography of the Great Wall with clear historical contexts, both readable and scientific.