This paper applies mode method to carry out an in-depth study on information service modes of digital library from general to specific and from low level to high level through literal statement. The specific service mode which can best reflect and give play to information service efficiency of digital library is sought through comparative study advantages and disadvantages of different types of information service modes of digital library. Finally, the purpose of guiding Chinese digital library

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... construction and service practice and improving information service efficiency of digital library is achieved. Foreword Information service mode describes elements of information service activities (information user, information server, information service content and information service strategy) and relations among these elements. Information service mode of digital library refers to combination of mutual relations among various elements of information service system of digital library (information user, information server, digital information resource, digital information platform, digital information strategy and mode). Besides, it is a working mode for information service system of digital information to carry out information service activities.