Abstract:Physical resources, which are the precious wealth of Chinese National Ecosystem Research Network (CNERN), are very useful and valuable for the development of network- based monitoring, experiment and research. Studying on the relevant aspects of CNERN physical resource service and exploring CNERN physical resource service model have important theoretical value and practical significance for CNERN physical resources service to change from only serving for scientific researches to for the development of science and technology and the development of economy and society. In this paper, the concept, connotation, features, contents of CNERN physical resource service are discussed, then brings forward a service mode based on online and offline integration, which have provided theory basis and application mode for the development of internet-based CNERN Service System and are expected to provide reference for the physical resources service of relevant departments.