The invention provides a vehicle control method and system and a vehicle. The vehicle comprises vehicle-mounted Bluetooth and one or more low-frequency antennas, wherein the vehicle-mounted Bluetoothis used for determining the position of a user terminal according to a Bluetooth signal sent by the user terminal; and the low-frequency antennas are used for searching for a radio frequency signal sent by a vehicle key so as to determine the position of the vehicle key. The method comprises the following steps that whether the position of the user terminal enters a first preset area or not is judged; if yes, whether the position of the vehicle key enters a second preset area or not is judged, wherein the second preset area is contained in the first preset area; and if yes, the vehicle is controlled to be unlocked, and unlocking prompt information is sent. According to the method, keyless entry of the vehicle can be achieved through the user terminal and the Bluetooth, convenience is provided for a user, through the mode that the Bluetooth and the low-frequency technology are combined, the signal stability and the positioning accuracy are improved, the needed cost is low, and the userexperience is improved.