The utility model provides a multi-panel control device of an automobile air conditioner. The utility model relates to the technical field of automobile air-conditioner control. The apparatus comprises: an apparatus body; first panel and second panel, the first panel and the second panel are respectively connected with a controller area network CAN bus. Wherein the first panel and the second panelperform signal transmission through a CAN bus, the second panel is used for generating a signal indicating automobile environment information and transmitting the signal to the first panel through the CAN bus, and the first panel is used for executing control over the automobile air conditioner based on the received signal. The CAN bus is adopted to execute information transmission between the front panel and the rear panel of the automobile air conditioner, panel expansion is facilitated, and signal anti-interference performance and signal transmission stability are improved.