The invention discloses a solar photovoltaic and photo-thermal integrated heat supply system. The system comprises a solar photovoltaic system, an air heat exchange pipeline, a water heat exchange pipeline, a water storage tank, an electric auxiliary heating device, a cold water inlet pump, a hot water inlet pump and a water ring vacuum pump. The solar photovoltaic system comprises a glass panel,a solar panel and a bottom plate, the solar panel is laid on the bottom plate, and the glass panel is laid on the upper surface of the solar panel; the air heat exchange pipeline and the water heat exchange pipeline are laid between the solar panel and the bottom plate; one end of the air heat exchange pipeline is connected with an air inlet, the other end of the air heat exchange pipeline is connected with a hot air outlet through a water ring type vacuum pump; and one end of the water heat exchange pipeline is connected with the water storage tank, the other end is connected with the electric auxiliary heating device through the hot water inlet pump, the water storage tank is connected with the electric auxiliary heating device through the cold water inlet pump, and a water outlet is externally connected with the electric auxiliary heating device. The advantages of solar heat supply and power supply and water ring type vacuum pump air exhaust are combined, electric energy is saved, the operation cost is low, the solar energy utilization rate is high, and gradient utilization of energy is achieved.