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Because of the features of remote sensing data such as large quantity, complex format and wide distribution in heterogeneous storage devices of different geographic locations, it is quite difficult for integrating, exchanging and sharing remote sensing data effectively. On one hand, it is very hard to get continuous remote sensing data for some research institutions and individuals who urgently need a convenient way to share and acquire the data. On the other hand, the data producers seldom make full use of the precious data resources due to the lack of effective method supporting for the massive data sharing. Focusing on the contradictions between continuous accumulation and lowly utilization of remote sensing data resources, in this paper, an approach of sharing remote sensing data under grid environment is discussed and based on LDAP for registration, issue, management and search using a directory tree form. It improves sharing remote sensing data rapidly and conveniently and also maximizes the efficiency of data resource.