Vehicle-mounted automobile data recorder and mobile terminal interaction control system and method

The invention discloses a vehicle-mounted automobile data recorder and mobile terminal interaction control system and method. A vehicle-mounted automobile data recorder host comprises a main control unit, a Bluetooth module and a WiFi module, wherein the Bluetooth module and the WiFi module are connected with the main control unit. A wireless connection channel is established between the mobile phone WiFi and the host, so that the bidirectional control of the mobile phone and the automobile data recorder host can be realized without downloading any APP and binding the mobile phone on a data line, and meanwhile, a client habitually using a wired mode can use wired connection and has multiple choices; various functions of the automobile data recorder do not affect operation in the interaction process of the mobile phone and the host; in the interaction process of the mobile phone and the recorder host, the host Bluetooth is connected with the original vehicle Bluetooth, and the host can transfer mobile phone da