The invention discloses a vacuum cold and hot double-source generator. The vacuum cold and hot double-source generator comprises a low-temperature bin shell, a vacuum meter, a vacuum device interface,a cooling solution inlet, sprayers, finned tubes, liquid collecting plates, a high-temperature solution outlet, liquid suction tubes, drain outlets, a high-temperature solution bin, a cooling solution interface, thermometers, a low-temperature liquid interface, condensation plates, a vacuum cavity, a vacuum pump, a solution pump, a first electric valve, a throttling valve, a high-pressure exhaustport, a high-temperature bin shell, a high-temperature liquid outlet, a low-temperature liquid inlet, a low-temperature solution bin, a cooling solution outlet, a high-temperature solution inlet, a high-pressure interface, a high-pressure bin and a second electric valve, wherein the vacuum cavity and the high-pressure bin are respectively arranged at the top ends of the low-temperature bin shelland the high-temperature bin shell, and the high-temperature solution bin and the low-temperature solution bin are arranged at the inner bottom ends of the low-temperature bin shell and the high-temperature bin shell respectively. The vacuum cold and hot double-source generator has the characteristics of being stable in equipment operation, high in energy utilization rate and worthy of popularization and use.