The invention relates to a five-in-one system for recycling kitchen energy, which comprises an air heat exchanger (2) arranged above a cooking utensil (1), a water heat exchanger (3) arranged outside a house, a radiator (4) of a water heater, an air conditioning fan (5) and a range hood fan (6). The system is characterized in that the air heat exchanger (2) consists of a main body and a branch body, wherein the main body is arranged in a heat exchanging box (7), and the branch body is connected with the main body, and wound on the radiator (4) of the water heater and the surface of a range hood outlet pipe (12); the radiator (4) of the water heater is communicated with a smoke exhaust port of a water heater (10) through an air inlet pipe (9); the radiator (4) of the water heater is communicated with the range hood outlet pipe (12) through an exhaust pipe (11); the air heat exchanger (2) is connected with the water heat exchanger (3); and the water heat exchanger (3) is connected with a compressor (17) and a hot water tank (19). The system has simple structure, small occupied space, good energy-saving effect and provides a comfortable environment for kitchen operation.