A method for authorizing a service function, comprising: receiving an authorization request sent by a vehicle, wherein the authorization request comprises vehicle account information and platform account information; determining a function to be authorized corresponding to the vehicle account information; associating the vehicle account information, the platform account information, and the function to be authorized corresponding to the vehicle account information; and sending response information to the vehicle, wherein the response information is used to indicate that the vehicle account information, the platform account information, and the function to be authorized corresponding to the vehicle account information have been associated; wherein the determining the function to be authorized corresponding to the vehicle account information comprises: determining a plurality of service functions corresponding to the platform account information; and determining, from the plurality of service functions, at least one service function as a function to be authorized corresponding to the vehicle account information, comprising: retrieving a pre-stored business function corresponding to the vehicle account information; and if it is determined, according to the pre-stored business function corresponding to the vehicle account information, that the business function exists in the plurality of service functions, determining the business function as the function to be authorized corresponding to the vehicle account information. receiving an authorization request sent by a vehicle, wherein the authorization request comprises vehicle account information and platform account information; determining a function to be authorized corresponding to the vehicle account information; associating the vehicle account information, the platform account information, and the function to be authorized corresponding to the vehicle account information; and sending response information to the vehicle, wherein the response information is used to indicate that the vehicle account information, the platform account information, and the function to be authorized corresponding to the vehicle account information have been associated; wherein the determining the function to be authorized corresponding to the vehicle account information comprises: determining a plurality of service functions corresponding to the platform account information; and determining, from the plurality of service functions, at least one service function as a function to be authorized corresponding to the vehicle account information, comprising: retrieving a pre-stored business function corresponding to the vehicle account information; and determining a plurality of service functions corresponding to the platform account information; and determining, from the plurality of service functions, at least one service function as a function to be authorized corresponding to the vehicle account information, comprising: retrieving a pre-stored business function corresponding to the vehicle account information; and if it is determined, according to the pre-stored business function corresponding to the vehicle account information, that the business function exists in the plurality of service functions, determining the business function as the function to be authorized corresponding to the vehicle account information.