NOVELTY - Device comprises shell (1), which contains baffle plate anaerobic reaction area (2), an aerobic zone (3), Fenton oxidation zone (4) and second deposition area (5). The whole area has stainless steel board (9), which is separated by anaerobic baffle plate reaction zone. The reaction zone divides first compartment (201), second chamber (202) and third compartment (203). The top of the compartments are equipped with air guide pipe (8). The baffle plate anaerobic reaction area is provided with water inlet (6) and second settling zone. The settling zone is provided with water outlet port.    USE - Device for processing waste water.    ADVANTAGE - The device process the waste water by using microbial cell, hydrogen peroxide and Fenton oxidation zone, which consumes energy.    DETAILED DESCRIPTION - Device comprises shell, which contains baffle plate anaerobic reaction area, an aerobic zone, Fenton oxidation zone and second deposition area. The whole area has stainless steel board, which is separated by anaerobic baffle plate reaction zone. The reaction zone divides first compartment, second chamber and third compartment. The top of the compartments are equipped with air guide pipe. The baffle plate anaerobic reaction area is provided with water inlet and second settling zone. The settling zone is provided with water outlet port. The baffle plate anaerobic reaction area is provided with baffle plate and an aerobic zone. The Fenton oxidation zone contains aeration head, which connects air pump. The second deposition area is equipped with guide flow board and fender at the inner bottom. The second depositing zone is provided with sludge relux pump. The anaerobic baffle plate reaction zone is provided with anode electrode. The aerobic zone is provided with first cathode electrode and the Fenton oxidation zone is provided with cathode electrode. The anode and cathode electrodes are arranged in a parallel way by stainless steel silk. The cathode electrode and power supply are connected. The first and second cathode electrodes and power supply are connected. An INDEPENDENT CLAIM is included for a method for processing waste water, which involves:    (A) passing waste water from anaerobic baffle plate reaction zone by using water inlet and then using first compartment, second chamber and third compartment for treating waste water anaerobically for degradation of organic matter;    (B) connecting cathode electrode with anaerobic baffle plate reaction zone, where aerobic zone and Fenton oxide region are provided with first cathode electrode and second cathode electrode for electrifying, using external voltage after the cathode electrode, generating microorganism by using and increasing biological activity for increasing pollutant degradation rate in the anaerobic baffle plate reaction zone and then discharging product gas by using gas tub;    (C) flowing the water into aerobic zone through guide plate, flowing the waste water into aerobic area through aeration head, performing aeration to the waste water and using aerobic microorganism for degradation of biodegradable organic and inorganic matter, reinforcing metabolism by using first cathode electrode for transferring electron and then increasing pollutant degradation rate; and    (D) using aerobic zone and Fenton oxidation zone for discharging water and using Fenton oxidation zone and second cathode electrode for the transfer of electron and proton and then generating hydrogen peroxide, performing precipitation reaction for complete degradation of organic matter from bottom and then separating mud and water, and relux the sludge by placing into sink area, which is provided with pump and aerobic area, where the water is outlet with two sink area.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of device.    Shell (1)    Baffle plate anaerobic reaction area (2)    Aerobic zone (3)    Fenton oxidation zone (4)    Second deposition area (5)    Water inlet (6)    Air guide pipe (8)    Stainless steel board (9)    First compartment (201)    Second chamber (202)    Third compartment (203)