Libraries are important social institutions that preserve and communicate human culture and knowledge. From the beginning of 1990s, the digital library has grown up rapidly based on the progress of the Internet. Libraries and educational institutions should be actively involved in digital library research and development. The Taiwan libraries’ history can be divided into four stages: Japanese occupation period, reconstruction period, growth period and strong period. In these processes, many events and libraries with rich materials that can be developed into a digital library. Graduate Institute of Library, Information and Archival Studies, National Chengchi University, planned the Digital Library Pilot Study on Taiwan Libraries’ History and got the university support. The pilot study objectives include: (1) exploring the digital library model on Taiwan libraries’ history;(2) constructing digital library to support education and research in information and library science;(3) developing Metadata standard of library documents and heritage;(4) digitalizing documents and heritage to build digital collections (5) developing digital library systems and technology;(6) researching browsing and search functions of digital library;(7) exploring the model of the digital library supports e-learning. In this pilot study, we developed six Metadata standards, built 746 digital resources, constructed digital library system and web site, and proposed the conclusions and suggestions finally.