The invention discloses energy-saving efficient environment-friendly sewage equipment and belongs to sewage treatment equipment.In the energy-saving efficient environment-friendly sewage equipment, an electromagnetic coil is arranged outside a sewage pumping shell, a protective cover is fixed to the sewage pumping shell, an annular floating cavity is fixed below the protective cover, a residue filter is fixed to a water inlet hole in the lower end of the sewage pumping shell, a blow-down valve is fixed in a center hole of the sewage pumping shell, a thrust spring and a magnetized piston are arranged in the sewage pumping shell, the thrust spring presses the magnetized piston, a water-passing sealing plate seals a sewage inlet channel of a water inlet cavity and seals a sewage inlet channel of an extrusion cavity, a fixing plug is fixed in a plug hole in the magnetized piston, and a sealing cap is installed on the annular sealing face of the magnetized piston.The energy-saving efficient environment-friendly sewage equipment is compact in structure, small in vibration, high in electric energy utilization rate, strong in power, high in sewage pumping efficiency and suitable for pumping and draining sewage in a sewage treatment pool and a sewage sedimentation tank, and sludge and mud do not enter a sewage pump when sewage is pumped and drained.