Vehicle terrain mode control method and device

The invention relates to the technical field of vehicles, and provides a vehicle terrain mode control method and device, and the method comprises the steps: obtaining a vehicle driving state parameter; based on the vehicle driving state parameters, judging whether the vehicle is in a trapped working condition or not, wherein the trapped working condition comprises a climbing working condition anda vehicle sinking working condition; if the vehicle is in the trapped working condition, sending a 4L mode prompt signal to a vehicle display; detecting whether the vehicle is in an N-gear state or not within a set time period; and if the vehicle is in the N-gear state, automatically switching the vehicle to a 4L mode. Therefore, real-time detection of the trapped working condition of the vehicleis achieved, a driver is reminded and the 4L mode is automatically switched under the trapped working condition, the driver does not need to subjectively judge the driving environment or additionallycarry out operation for the