The method for setting an internal usage scenario of a vehicle is presented, which includes obtaining, by a vehicle-mounted device, identity information of a user and feature information, where the user is a user who is using a vehicle in which the vehicle-mounted device is located, and the feature information is used to represent an internal first usage scenario of the vehicle; sending, by the vehicle-mounted device, the identity information of the user and the feature information to a network device; receiving, by the vehicle-mounted device, an internal usage scenario model of the vehicle sent by the network device, where the model is obtained by the network device based on the identity information of the user and the feature information; and adjusting, by the vehicle-mounted device, a parameter of the vehicle according to the model.