The present invention relates to a method to install a terminal profile in a wireless communication system, and the method may comprise the steps of: displaying a list including one or more mobile network providers; detecting a selection with respect to any one of the one or more mobile network providers; obtaining connection-related information with respect to the selected mobile network provider from a discovery server based on information related to the selected mobile network provider; and transmitting identification information of a universal integrated circuit card (UICC) and identification information of the discovery server to a server of the selected mobile network provider based on the connection-related information, in order to download a UICC-related profile from a profile administrator. However, the present invention is not limited to this embodiment and other embodiments are possible.