A vehicle and building integrated air conditioning system which may communicate internal spaces with each other to integrally perform air conditioning when a vehicle is docked to a building, may include a vehicle which includes a control unit configured of controlling a vehicle control unit configured of controlling a vehicle air conditioning device, a building which includes a building control unit configured of controlling a building air conditioning device, is provided with a station to which the vehicle is docked, and communicates an interior of the building with the vehicle to perform air conditioning when the vehicle is docked to the station, and an integrated control portion which is configured to allow the vehicle control unit or the building control unit to integrally control the vehicle air conditioning device and the building air conditioning device.