In order to learn the economic reality and handle practical problems of counties in Gansu Province, summarize the rules and trends of Gansu county economic development as well, researchers in the Institute of County Economic Development of Lanzhou University compiled the 2019 Report on County Economic Development of Gansu Province on the basis of reality research and discussion of various cases on the counties around the whole province by making deep analysis on the wealthy of objective data and reality. The report covers the situation of the county economic development, its competitiveness and developing potential in Gansu Province. Putting up some typical cases of cultural trip, energetic industry, special agriculture processing, innovation drive, Internet Plus and reformation on Three Aspects, the report gives the corresponding suggestions and measures to the future of Gansu county economic development on the experience model of its development. We hope the book will provide scientific foundation for the compiling work of planning Gansu county economic development as well as for its future development.