A vehicle starting method for starting a vehicle in a contactless manner with a mobile terminal and a keyless entry, wherein key information about the keyless entry that matches the vehicle is stored in the keyless entry, the starting method comprising: the mobile terminal sending a starting request; the mobile terminal acquiring a first security authentication code in response to the starting request; the mobile terminal acquiring the key information from the keyless entry; the mobile terminal generating a starting data stream in a predetermined manner according to the key information and the first security authentication code and sending the starting data stream to the vehicle; the vehicle receiving the starting data stream from the mobile terminal and acquiring the first security authentication code and the key information from the starting data stream; the vehicle verifying whether the first security authentication code is correct and determining whether the key information matches the vehicle; and a vehicle controller starting the vehicle in the case that the first security authentication code is correct and the key information matches the vehicle; wherein the vehicle receives the starting request and generates the first security authentication code in response to the starting request; or wherein a remote server generates the first security authentication code and a second security authentication code that matches the first security authentication code, and sends the first security authentication code to the mobile terminal and the second security authentication code to the vehicle and wherein a matching operation is performed on the first security authentication code and the second security authentication code to verify whether the first security authentication code is correct. the mobile terminal sending a starting request; the mobile terminal acquiring a first security authentication code in response to the starting request; the mobile terminal acquiring the key information from the keyless entry; the mobile terminal generating a starting data stream in a predetermined manner according to the key information and the first security authentication code and sending the starting data stream to the vehicle; the vehicle receiving the starting data stream from the mobile terminal and acquiring the first security authentication code and the key information from the starting data stream; the vehicle verifying whether the first security authentication code is correct and determining whether the key information matches the vehicle; and a vehicle controller starting the vehicle in the case that the first security authentication code is correct and the key information matches the vehicle; wherein the vehicle receives the starting request and generates the first security authentication code in response to the starting request; or wherein a remote server generates the first security authentication code and a second security authentication code that matches the first security authentication code, and sends the first security authentication code to the mobile terminal and the second security authentication code to the vehicle and wherein a matching operation is performed on the first security authentication code and the second security authentication code to verify whether the first security authentication code is correct.