Kitchen hot water consumption control system

The utility model discloses a kitchen hot water consumption control system which comprises an electric three-way valve used for adjusting the water flow direction, an air energy water heater used for heating water and a wall-hanging stove, a first connecting pipe is communicated between the electric three-way valve and the wall-hanging stove, and a second connecting pipe is communicated between the electric three-way valve and the air energy water heater. The kitchen hot water consumption control system further comprises a controller playing a role in automatic control, the input end and the output end of the controller are provided with an A/D converter and a D/A converter respectively, and the electric three-way valve is electrically connected with the D/A converter. The wall-hanging stove does not need to be started when heat generated by the air energy water heater is sufficient, so that energy consumption can be reduced, meanwhile, hot water generated by the air energy water heater can be conveyed to the