Abstract: Digital humanities are the trend of digital library. Due to the sociality of library and the role of library as knowledge preservation and communication center, data opening is the mission of library,especially public library. Data that is standardized, authorized, and semantic are the basis for libraries to
provide digital humanistic services to researchers and the basis for providing open data services to thirdparty developers on the Internet. This paper starts from the studies of content, platform and service, and puts forward the open data service framework for digital humanities based on platform-based support,content and service model. Using Shanghai Library’s open data application development competition as an example, it tries to provide the domestic library with a case of practical feasibility.

Key words: Open data service, Digital humanities, Open data contest