This book is a significant theoretical contribution in commemoration of the 130th anniversary of Comrade Mao Zedong’s birth. Starting from the topic of "northern Shaanxi is the birthplace of Chinese civilization and the holy place of the Chinese Revolution", the author, in an investigative manner, demonstrates to readers northern Shaanxi and meticulously orders historical records, attempting to find the root and source of “Two Integration”, i.e., the integration of the basic tenets of Marxism with China’s specific realities and fine traditional culture. Moreover, with profound practical and theoretical reflections, this book addresses the crucial historical question of why the Chinese revolution started from northern Shaanxi.