NOVELTY - The electric heating/cooling fertilizer system comprises a hydrogen anaerobic digestion raw material conveying end (2), a hydrogen anaerobic digestion pond (4), a first gas purification device (9), a hydrogen storing device (13), a methane anaerobic digestion raw material conveying end (5), a methane anaerobic digestion pond (5), an organic methane fertilizer conveying end, a second gas purifying device, a high pressure gas storage cabinet, and a fuel modifier. The hydrogen anaerobic digestion raw material conveying end communicates with an input end of a hydrogen anaerobic digestion pond.    USE - The electric heating/cooling fertilizer system is useful for producing biomass anaerobic digestion hydrogen and methane.    ADVANTAGE - The electric heating/cooling fertilizer system is capable of easily and economically producing the biomass anaerobic digestion hydrogen and methane with high stability and reduced energy consumption.    DETAILED DESCRIPTION - The electric heating/cooling fertilizer system comprises a hydrogen anaerobic digestion raw material conveying end (2), a hydrogen anaerobic digestion pond (4), a first gas purification device (9), a hydrogen storing device (13), a methane anaerobic digestion raw material conveying end (5), a methane anaerobic digestion pond (5), an organic methane fertilizer conveying end, a second gas purifying device, a high pressure gas storage cabinet, and a fuel modifier. The hydrogen anaerobic digestion raw material conveying end communicates with an input end of a hydrogen anaerobic digestion pond. An output end of the hydrogen anaerobic digestion pond communicates with an input end of the first gas purification device. An output end of the first gas purification device communicates with a first input end of the hydrogen storing device. The methane anaerobic digestion raw material conveying end communicates with an input end of the methane anaerobic digestion pond. A first end of the methane anaerobic digestion pond communicates with the organic methane fertilizer conveying end. A second end of the methane anaerobic digestion pond communicates with an input end of the second gas purifying device. A first output end of the second gas purifying device communicates with a green room. A second output end of the second gas purifying device communicates with an input end of the high pressure gas storage cabinet. A first output end of the high pressure gas storage cabinet communicates with an input end of the fuel modifier. An output end of the fuel modifier communicates with a second input end of the hydrogen storing device. An output end of the hydrogen storing device communicates with a fuel cell unit. An output end of the fuel cell unit communicates with an input end of an inverter. An output end of the inverter communicates with a power device. A second output end of the high pressure gas storage cabinet communicates with a fuel input end of the fuel boiler. A water side output end of the fuel gas boiler communicates with the input end of a heat load. A first output end of the heat load communicates with a coolant input end of the fuel cell unit via a circular water pump. The coolant output end of the fuel cell unit communicates with hot water input ends of inner heat disk pipes of the hydrogen anaerobic digestion pond and the methane anaerobic digestion pond respectively. The cold water output ends of the inner heating disk pipes of the hydrogen anaerobic digestion pond and the methane anaerobic digestion pond communicate with an input end of a solar and/or terrestrial heat source. The hydrogen anaerobic digestion pond and the methane anaerobic digestion pond are provided with a movable pond respectively. The heating disk pipes and a magnetic mixer are arranged in the movable pond body. The movable ponds are linked in series or in parallel. The first and second gas purification devices have same structures, and comprise a biodesulfurization reactor, a dewatering device, a carbon dioxide separating device, a boosting device, a molecular sieve membrane and a carbon dioxide absorbent. The molecular sieve membrane and the carbon dioxide absorbent are arranged in a tank body of the carbon dioxide separating device. The molecular sieve membrane is fixed at an upper part of the tank body. The carbon dioxide absorbent is located in the tank body under the molecular sieve membrane. The second output end of the high pressure gas storage cabinet is connected with an oxygen-enriched cooker. The second output end of the heat load is connected with a heat supply device. The third output end of the heat load is connected with a cooling device.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of an electric heating/cooling fertilizer system for biomass anaerobic digestion hydrogen and methane.    Hydrogen anaerobic digestion raw material conveying end (2)    Hydrogen anaerobic digestion pond (4)    Methane anaerobic digestion raw material conveying end (5)    Methane anaerobic digestion pond (8)    First gas purification device (9)    Hydrogen storing device. (13)