Shower system for recovering hot water without cold water and control method thereof

The invention discloses a shower system for recovering hot water without cold water and a control method thereof. The shower system comprises a controller, a sprinkler switch, a water heater, a water heater water inlet pipe, a water heater water outlet pipe, a first temperature sensor, a first pump, a first electromagnetic valve, a water tank, a second electromagnetic valve, a ventilation hole, a second temperature sensor, a sprinkler, a tap hot water inlet, a second pump, a connecting pipe, a third temperature sensor, a third pump, a third electromagnetic valve, a water return pipe, a sprinkler water inlet pipe, a sprinkler return pipe, a fourth electromagnetic valve, a fourth pump, a fifth electromagnetic valve, a sixth electromagnetic valve and the like. The shower system can really guarantee no flowing out of the cold water from the sprinkler (11), has no need to worry about users to catch a cold caused by lower water temperature, meanwhile, realizes recovery of afterheat water after use of the hot water,