CONTROL METHOD AND SYSTEM FOR VEHICLE-MOUNTED REFRIGERATOR, RELATED DEVICE AND VEHICLE

A control method and system for a vehicle-mounted refrigerator, a related device, and a vehicle are disclosed. The method includes that: the display panel is enabled to send a door body operation instruction, a light operation instruction and a temperature operation instruction to the main control board; the main control board is enabled to control the door body to unlock or lock, control an illumination lamp in the box body to perform brightness adjustment, and control the box body and the compressor to perform temperature adjustment; the display panel is enabled to obtain a door body state, and the main control board is enabled to obtain a lighting state and a temperature state in the box body; and the main control board is enabled to send the lighting state and the temperature state to the display panel, and the display panel is enabled to visually display the states.