Heat pump air conditioning system and automobile

The invention relates to a heat pump air conditioning system and an automobile, a front HVAC structure is used for being arranged in a passenger compartment and comprises a front outer circulation air inlet and a front warm air core which are sequentially arranged in the flow direction of air passing through the front HVAC structure, and the front outer circulation air inlet and the front warm air core are used for being communicated with outside air; a rear HVAC structure is used for being arranged in a passenger compartment and comprises a rear evaporator, a rear outer circulation air outlet and a rear inner circulation air inlet, the rear outer circulation air outlet and the rear inner circulation air inlet are located on the downstream of the rear evaporator and used for being communicated with outside air, the rear inner circulation air inlet is used for being communicated with air in the passenger compartment, and a rear warm air core is arranged in the rear inner circulation air inlet. A water loop is