D2D service authorizing method and device and home near field communication server

A Device to Device (D2D) service authorization method, comprising:

• determining, by a home near field communication server, a Public Land Mobile Network (PLMN) list needed to be further authorized;
• determining, by the home near field communication server, a specified near field communication server address deployed in each PLMN in the PLMN list needed to be further authorized;
• sending, by the home near field communication server, an authorization request to a specified near field communication server indicated by the specified near field communication server address;
• receiving, by the home near field communication server, a response message of the authorization request, and generating an authorized PLMN list according to the response message, wherein the response message carries D2D service authorization information of the PLMN to a user equipment, and the D2D service authorization information is used for indicating whether the PLMN permits D2D service authorization to the user equipment;
• and
• sending, by the home near field communication server, the generated and authorized PLMN list to the user equipment.