Since the beginning of the new era，the western region has ushered in a great development through the “One Belt and One Road” east wind，and the economic growth rate has remained a leading position in all major regions. Based on the basic connotation of the “Five Development Ideas”，this paper first analyzes the major achievements in economic and social development since the beginning of the new era in the western region and highlights shortcomings. Second，it constructs the economic development quality evaluation index system from the five parts of innovation，coordination，green，openness，and sharing. Analyzing the development of economic and social development in the western region in the past five years based on the “five development concepts”，and finally provide a path and policy recommendations for the western region to seek high quality development.