Voice interaction method and system based on face recognition and automobile

The invention discloses a voice interaction method and system and an automobile, the voice interaction method is applied to a vehicle-mounted system, the vehicle-mounted system is arranged in a corresponding vehicle, and the method comprises the following steps: when detecting that the vehicle is started, collecting human body feature information of a driver in the vehicle through a feature information collection device arranged in the vehicle; querying a selection instruction matched with the human body feature information of the driver in the vehicle in a pre-stored human body feature database, and sending the selection instruction to a voice packet database to select a matched voice packet; acquiring voice information of a driver in the vehicle through a voice information acquisition device arranged in the vehicle; and querying reply information matched with the voice information of the driver in a matched voice packet of the voice packet database, and playing the queried reply information through a voice