NOVELTY - A microbial electrolysis strengthen upflow sleeve anaerobic digestion reactor comprises biological reactor anode (1), catalytic cathode (2), catalytic cation exchange film (3), activated sludge (4), and switch power supply (5). The reactor further comprises water inlet pipeline, water outlet pipeline, dam, gas collecting device, biological chemical reaction area, anaerobic digestion reaction area, inner wall opening, water pumps, and cylinders.    USE - Microbial electrolysis strengthen upflow sleeve anaerobic digestion reactor used for treating methane waste liquid (claimed).    DETAILED DESCRIPTION - A microbial electrolysis strengthen upflow sleeve anaerobic digestion reactor comprises biological reactor anode (1), catalytic cathode (2), catalytic cation exchange film (3), activated sludge (4), and switch power supply (5). The reactor further comprises water inlet pipeline, water outlet pipeline, dam, gas collecting device, biological chemical reaction area, anaerobic digestion reaction area, inner wall opening, water pumps, and cylinders. The anaerobic digestion reaction area is set with water inlet pipeline. The biological chemical reaction area is set with dam, water pipeline, and gas collecting device. The catalytic cathode is made of stainless steel network. An INDEPENDENT CLAIM is included for treatment of methane waste liquid comprising using the reactor and a culture medium, where culture medium comprises sodium acetate, phosphate buffer solution, Wolfe vitamin solution, and Wolfe mineral composition. The concentration of sodium acetate is 2500 mg/L. The concentration of phosphate buffer solution is 50 mmol/L. The Wolfe vitamin solution composition per liter of culture medium comprises 2 mg biotin, 5 mg pantothenate, 2 mg folic acid, 5 mg thiamine, 5 mg riboflavin, 5 mg niacin, 10 mg pyridoxine, 0.1 mg cobalt ammonium, and 5 mg lipoic acid. The Wolfe mineral solution per liter of culture medium comprises 1.5 g nitrilotriacetate, 3 g magnesium, 0.5 g manganese sulfate, 1 g sodium chloride, 0.1 g ferrous sulfate, 0.1 g cobalt chloride, 0.1 g calcium chloride, 0.1 g zinc sulfate, 0.01 g copper sulfate, 0.01 g boric acid, 0.01 g sodium molybdate, 0.01 g selenite, 0.01 g nickel chloride, and 0.01 g sodium tungstate.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of microbial electrolysis strengthen upflow sleeve anaerobic digestion reactor.    Biological reactor anode (1)    Catalytic cathode (2)    Catalytic cation exchange film (3)    Activated sludge (4)    Switch power supply (5)