The invention relates to an automobile driving mode switching control system and method. One end of the system is connected with an automobile body electronic unit, and the other end of the system iswirelessly connected with a remote control terminal. The control system comprises a signal acquisition unit used for acquiring a remote control terminal signal, an ignition key signal and a mode switching key signal, a signal processing unit used for fusing all the acquired signals and judging the effectiveness of a driving mode according to the fused signals, a mode switching execution unit usedfor controlling the work states of all ECUs according to the effective driving mode, sending a driving mode switching command to the ECUs and controlling the driving mode to be switched, and a fault processing unit used for judging and processing faults in the driving mode switching process. Compared with the prior art, the system and method have the beneficial effects that the vehicle automatic driving safety can be improved, and the system and method are easy to achieve on the basis of the existing automatic driving condition.