An on-board management and control shunt device, comprising a first distribution valve body, a second distribution valve body, an inflow valve body, a valve core, a sealing seat, a first sensing module, a second sensing module, a transmission shaft, a strip, and an electrical box , control board, motor; wherein the valve core includes a first distribution channel, a second distribution channel, an inflow channel, a half valve core, a half valve core two, an upper embedded ring, a lower embedded ring, a butting surface, a middle cavity, an inflow Check valve, distribution check valve 1, distribution check valve 2, upper positioning plate, lower positioning plate; the strip plate is provided with an inclined section of holes, and the lower wall of the electrical box is provided with a second section of holes.