Abstract: [Purpose/Significance] Taking Dongguan Library as a case, this paper explores the mode of leading the professional development of libraries with people-oriented principle, which provides a path reference for promoting high-quality development of the library industry. [Design/Methodology] The article conducts a survey on the practice of Dongguan Library, and combines with A Library's Exploration of Professional Development, explores the fundamental problem of high-quality development of libraries, which is to adhere to the principle of leading professional development with people-oriented principle, and demonstrates the role and responsibility of libraries. [Findings/Conclusion] The library professionalization should adhere to the principle of the subjectivity of the people, and enhance the development level of the library from three aspects: librarian team professionalization, core business professionalization and industry specialization, so as to promote the high-quality development of library business. [Originality/Value] This article analyzes the professional development practice of Dongguan Library, and provides reference for the professional development of public libraries in China.

Keywords: Library professionalization, Dongguan Library, Public library, High-quality development