The invention relates to a method and a system for changing the pattern of an entire vehicle model. The method comprises the following steps: a central control entertainment host or a mobile terminalobtains vehicle information; After obtaining the vehicle information, the central control entertainment host computer switches its own vehicle model according to the obtained vehicle information, andsends the message information including the vehicle information through the CAN network. Vehicle AVM and meter get message information from CAN network, and switch the vehicle model according to the message information. After acquiring the vehicle information, the mobile terminal switches the vehicle model pattern in the mobile terminal according to the acquired vehicle information. As that colorof the vehicle model and the configuration of the vehicle body can accord with the actual state of the vehicle, the operation of software refresh and the like is not need, and the unified switching ofeach control or related equipment can be realized at the same time, so that the user can set the vehicle model pattern through the mobile terminal or the vehicle central control entertainment host, and the customization requirement of the user is met.