The invention discloses an air energy heat pump and solar energy complementary type hot water device, which comprises an air energy heat pump, a regenerative heat exchanger, a heat pump heat exchanger, a hot water output heat exchanger, a solar energy hot water heat exchanger, a solar energy hot water circulating pipe, a solar energy heat collector and an expansion water tank, wherein a heating unit of the air energy heat pump is connected with the regenerative heat exchanger, the regenerative heat exchanger is provided with the solar energy hot water heat exchanger and the hot water output heat exchanger, the solar energy hot water heat exchanger is connected with a solar energy heat collector through the solar energy hot water circulating pipe, and a solar energy lower circulating pipeline is connected with the expansion water tank. The air energy heat pump and solar energy complementary type hot water device uses the air energy heat pump and a solar energy hot water system to form a double-energy hot water system, fully uses air heat energy, also change direct using of solar energy hot water into indirect using of the solar energy hot water, increases use rate of air heat energy and exchanges air indoor in time at the same time, keeps air fresh, further guarantees quality of the solar energy hot water, can heat at once when using, prevents bacteria growth, and keeps hot water to be used in health standard.