Shenzhen Pingshan District Library was officially opened in March 2019. During the preparation period of the new library, Pingshan Library aimed at the direction and goal of high-quality development, creating special spaces, building and promoting event brands, and leading quality reading. Outstanding achievements have been made in other areas and the library has become a typical representative of a "cultural phenomenon" emerging in eastern Shenzhen. Based on the practice and exploration of high-quality development of Pingshan Library in recent years, the author focuses on the innovative development measures and modes of public libraries in the aspects of management system and mechanism, service contents and modes, and future strategic promotion under the background of the fourteenth Five-Year high-quality development. On this basis, the future strategic plan for high-quality development and other further measures is put forward. The plans and measures will provide some references for the public libraries to make high-quality plans for strategic development during the 14th Five-Year period.