Waste water recovery heat pump type integrated bathroom and heat recovery method thereof

The invention discloses a waste water recovery heat pump type integrated bathroom and a heat recovery method thereof.The waste water recovery heat pump type integrated bathroom comprises a bathroom body, a heat pump heating system, a heat storage water tank, a hot water booster pump, a water mixing valve, a bathing shower head, a waste water recovery system and an exhaust fan; hot water in the hot water storage tank is connected to a water mixing valve through a hot water booster pump and a pipeline, the water mixing valve is also externally connected with tap water, the water mixing valve is connected to a bathing shower head, a waste water recycling system is arranged below a drainage slope of the bottom face of the bathroom body in a butt joint mode, and waste water heat energy at the waste water recycling system is absorbed by a heat pump heating system. A heat dissipation opening is formed in the upper portion of the bathroom body, an exhaust fan is installed at the heat dissipation opening, and forced v