Abstract: As an extension of library service, lecture has been generally carried out in large and medium pubhc hbraries. Libraries lectures play an important role in propagating excellent culture, revealing history and culture andguiding readers＇ reading. The lectures brands building of public libraries is critical to improve the competitiveness of lectures service. This paper discusses the lectures brand building strategies of small and medium publiclibraries in order to achieve the sustainable development of small and medium public libraries lectures service.

Key words: public library; lecture service; brand building