The present invention relates to a method in which a personal network element (PNE) forming a PN requests a converged personal network service (CPNS) to set up a new personal network (PN) on the basis of PN usage information. The method is performed by the PNE and includes: transmitting, to a PN gateway (PN GW), a message requesting the generation of PN usage information on a currently set PN; and receiving a generation response message including the result of generating the PN usage information corresponding to the generation request message. The PN usage information is created by the CPNS server on the basis of the generation request message and is stored in a PN usage information list of the CPSN. The PN usage information includes a PN usage information index, a PN alias, an expiry, a PN identifier (ID), a PN GW ID, and a PNE ID. The method further includes: transmitting, to the PN GW, a message requesting the setting of a PN using PN usage information corresponding to a new PN, in order to set the new PN and not the currently set PN; and receiving, from the PN GW, a message responding to setting the PN including a response to the PN setting request message, wherein a PN inventory of the CPNS server may be updated by the CPNS on the basis of selected PN usage information.