The invention belongs to the technical field of refrigerators, and particularly relates to a refrigerator water drinking all-in-one machine. The refrigerator water drinking all-in-one machine comprises a refrigerator body and a water dispenser, wherein a cold water tank, a warm water tank and a hot water tank are arranged in the water dispenser; a refrigerant circulating system comprises a compressor, a condenser, a first throttling device, a refrigerator evaporator, a second throttling device, a cold water tank heat exchanger, a warm water tank heat exchanger, a box outer evaporator and a first valve, a second valve, a third valve, a fourth valve, a fifth valve and a sixth valve, wherein the outlet of the compressor is connected with the first valve, the condenser, the fourth valve, the first throttling device, the refrigerator evaporator, the fifth valve, the box outer evaporator and the inlet of the compressor to form a loop; and the outlet of the compressor is further sequentiallyconnected with the second valve, the warm water tank heat exchanger and the inlet of the condenser, the outlet of the condenser is further sequentially connected with the third valve, the second throttling device, the sixth valve, the cold water tank heat exchanger and the inlet of the box outer evaporator, and an electric heating wire is arranged in the hot water tank. According to the machine, the waste heat and the waste cold generated by the refrigerator body can be effectively utilized, so that the heat efficiency is improved.