The invention provides a vehicle air conditioning device for both a left rudder and a right rudder, which comprises shells, a chamber consisting of the shells, and assemblies arranged in the chamber, wherein the assemblies in the chamber include an air door assembly provided with an inner circulation air door and an outer circulation air door, an evaporator fan arranged on the inner lower sides of the inner circulation air door and the outer circulation air door, an evaporator arranged slantways under the evaporator fan, and a warm air radiator arranged on the inner side of the evaporator. The innovative design of the vehicle air conditioning device not only improves the air purification function and the heat exchange performance in a vehicle, but also saves 35 percent of the space of the whole vehicle, thereby greatly improving the comfort performance for driving and using; besides, the innovative design for both the left rudder and the right rudder reduces almost half of die clamps so as to not only save as much as 40 percent of the cost, but also greatly improve the universality of the device and the applicability for vehicle models.