TECHNOLOGY FOCUS - ENVIRONMENT - Preferred Method: The high concentration slurry is crushed by a high-concentration slurry pump to pass into high-temperature anaerobic methane pool in step (b2); in the methane process of step (b2), the materials in the high temperature anaerobic methane pool are cycled, and in step (a), the liquid-solid mixed waste materials of cultivation field are separated by stocking manner to separate water naturally, where the dehydration rate is 80%, thus forming the waste liquid and solid waste.    TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: The waste liquid treatment system comprises: a waste liquid collecting room for collecting the waste liquid of the primary solid-liquid separating device and depositing it; a filtering room for filtering the waste liquid in the waste liquid collecting room to form residue-free waste liquid; a residue-free room for collecting the residue-free waste liquid of the filtering room; and a residue-free waste liquid anaerobic methane pool for turning the residue-free waste liquid of the residue-free waste liquid room to methane. The high-concentration slurry treatment system comprises a gathering pool for collecting the precipitate concentrated slurry and solid waste of high-concentration slurry, and a high-temperature anaerobic methane pool for collecting the high-concentration slurry in the gathering pool. The residue-free anaerobic methane pool is arranged above the high-temperature anaerobic methane pool to form a double layer structure, where a pool top artificial wetland is arranged on the residue-free anaerobic methane pool, and the gathering pool is close to the waste liquid collecting room and collects the precipitate concentrated slurry of the waste liquid collecting room. The gathering pool is provided with a high-concentration slurry outlet which is connected with the high-temperature anaerobic methane pool through a high-concentration slurry pump, and the high-temperature anaerobic methane pool is provided with a high temperature anaerobic methane pool cyclic system which at least comprises a material cyclic pump for forming a cycle of the material in the high-temperature anaerobic methane pool. The inlet of the material cyclic pump is crossed with the inlet of the high-concentration slurry pump in a closable manner, and the outlet of the material cyclic pump can be further provided with a slurry branch for transmitting the waste residue slurry. The high-temperature anaerobic methane pool is provided with a high concentration methane liquid outlet. The organic fertilizer processing system comprises a waste residue dehydration device for connected the residue slurry branch for forming the solid residue, a high-concentration methane filtering device connected with the high-concentration methane outlet for filtering the high-concentration methane to form residue-free high-concentration methane liquid and an organic fertilizer processing center for processing the residue-free methane liquid to liquid fertilizer and processing the solid residue to solid fertilizer. The bottom of the high-temperature anaerobic methane pool is faced downwards to the connecting part of the inlet of the material cyclic pump. The waste liquid collecting room, the filtering room and the residue-free room are closely arranged. The residue waste liquid anaerobic methane pool is located on the ground, and the high-temperature anaerobic methane pool is located underground. The residue-free waste liquid room is provided with a residue-free waste liquid outlet and connected with the residue-free waste liquid anaerobic methane pool. The methane outlet of the residue-free anaerobic methane pool and the methane outlet of the high temperature anaerobic methane pool are connected in an air room, which is provided with an air room methane outlet and the outlet is connected with a methane processing device for purifying the methane. The methane processing device is provided with an outlet for purifying the methane and the outlet of it is connected to the methane storage room. The waste residue dehydration device is a residue storage chamber, which is provided with a pressure taking outlet connected with the inlet of the residue slurry branch and the air room. The low concentration methane liquid outlet of the residue-free anaerobic methane pool is dispersed to connect with a zone low-concentration methane pool and connected to the methane liquid pipeline in field through the zone low concentration methane pool. The high concentration slurry pump, the material cyclic pump and the residue-free waste liquid pump are arranged in a pump room. The high-concentration slurry pump, the material cyclic pump and the residue-free waste liquid pump and the methane processing device are controlled by a control system, arranged in a control room. The pump room, the control room, the methane processing device, the purified methane storage room, the residue storage room, the air room, the waste liquid collecting room, the filtering room, the residue-free waste liquid room and the gathering room are arranged at one end of the residue-free waste liquid anaerobic methane pool and the high temperature anaerobic methane pool.