Dangjia Village is a basic cell of China's rural society, it is the main carrier of Dangjia Village people gathering, living, production and life, regardless of the past, present and future, are worthy of attention and in-depth study, especially in the context of the country's vigorous promotion of the "rural revitalization" strategy, the evolution of the social form of Dangjia Village has entered a new stage. For every villager living in it, although the past business experience is history, it has been revitalized in the process of promoting the construction of a new socialist countryside. Learn from history, care for the past and the present. From the perspective of economic historiography, this book examines the whole process of the commercial historical changes of Dangjia Village in the context of China's social evolution, with newly discovered historical materials and interview records, as well as new social observations. Through the newly mined historical information, it attempts to reveal some business experience and cultural essence that have been neglected in the past, and provide historical experience for the implementation of the contemporary rural revitalization strategy, so as to better serve the "three rural areas" to help rural revitalization, make agriculture a leading industry, make farmers an attractive occupation, and make rural areas a paradise for living and working in peace and contentment.