Hybrid vehicle control unit resetting method and device, medium and vehicle control unit

The invention belongs to the technical field of automobile control, and particularly relates to a method and a device for resetting a vehicle control unit of a hybrid electric vehicle, a medium and the vehicle control unit. In the driving process of the hybrid electric vehicle, before a vehicle control unit is reset, the driving circulation variable before resetting is stored in real time; after a vehicle control unit is reset, initialized and powered on, the vehicle control unit controls the hybrid vehicle to enter a pure electric mode, and a driving circulation variable before resetting is read; and according to the running cycle variable before resetting, the vehicle control unit controls the hybrid electric vehicle to be converted into a state stored by the running cycle variable before resetting. According to the method, the whole vehicle mode state machine can be quickly recovered under the reset working condition, and the situation that driving safety is affected due to power loss caused by mode disord