The invention relates to a
system and method for sharing location information. The
system and method are characterized in that the sharing
system comprises location information bases,
interconnection nodes and location application, the location information of location terminals and users is stored in the location information bases, the locations form a location information internet through the
interconnection nodes, and the location application provides services for the users through the location information in the location information internet; the
interconnection nodes on the top layer serve as root interconnection nodes, the root interconnection nodes issue digital certificates for each location information base, each interconnection node and the location application, and the digital certificates are used for
authentication and
encryption during
data exchange. The sharing method includes the steps that an ID management module carries out ID management, a registering management module carries out registering management on the interconnection nodes, the location application and the location information bases, a trading market module completes use
authorization of the location information to guarantee privacy information and prevent authority exceeding accessing, a
data sharing module achieves
data sharing, and a charging management module achieves charging management.