Ventilation cooling system installed on amphibious passenger car

The utility model discloses a ventilation and cooling system mounted on an amphibious passenger car, which relates to the technical field of amphibious cars, is based on a car body part and a ship body part of the amphibious passenger car, and comprises a ventilation component, a cooling component and a power supply battery, the ventilation assembly comprises a ventilation inlet, a ventilation outlet, an air inlet pipe, a fireproof valve and an exhaust fan. The ventilation inlet is formed in the vehicle body part, and the ventilation outlet is formed in the hull part; the other end of the air inlet pipe is communicated with a cabin chamber of the ship body part; the exhaust fan is mounted at the ventilation outlet; the cooling assembly comprises a heat conduction plate, a cooling box, a cooling pump, a cooling pipe and a backflow pipe. The heat conducting plate is arranged on the outer side of the power supply battery and heats the cooling liquid in the cooling box by utilizing heat generated by the power sup