NOVELTY - A two-phase and three-section methane generating device of organic waste with easy corrosion and high solid via anaerobic digestion, comprises a hydrolysis acid generating reactor and a methane generating reactor; where the hydrolysis acid generating reactor is a solid filtering bed reactor, where its top part is set with a water distributor and a spraying head, the middle upper part is set with a feeding hole, the middle lower part is set with a multi-hole board and a discharging hole, and the bottom part is set with a draining hole.    USE - The two-phase and three-section methane generating device is useful for anaerobic digestion treatment of all organic wastes.    ADVANTAGE - The two-phase and three-section methane generating device has simple processing procedures, low cost, easy maintenance, and stable and reliable performance.    DETAILED DESCRIPTION - A two-phase and three-section methane generating device of organic waste with easy corrosion and high solid via anaerobic digestion, comprises a hydrolysis acid generating reactor and a methane generating reactor, which are connected via a circulating pump and a pipeline at their bottom parts; where the hydrolysis acid generating reactor is a solid filtering bed reactor, where its top part is set with a water distributor and a spraying head, the middle upper part is set with a feeding hole, the middle lower part is set with a multi-hole board and a discharging hole, and the bottom part is set with a draining hole; the multi-hole board is set with filtering filling; the methane generating reactor comprises a filtering filling bed and a fiber filling bed; the filtering filling bed is at the lower part while the fiber filling bed is at the upper part; and the filtering bed is set with filtering filling while the fiber filling bed is set with a fiber filling bracket, which is wound with the fiber filling.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the two-phase and three-section methane generating device of organic waste with easy corrosion and high solid via anaerobic digestion.