Fuente: WIPO "circular economy" The utility model discloses an energy-saving organic fertilizer fermentation device. Fermentation box, a transverse moving device is arranged above the fermentation box; a longitudinal moving device is arranged on the transverse moving device; a stirring, crushing and feeding device is arranged on the longitudinal moving device; fertilizer is fully stirred and crushed when entering the fermentation box through the stirring, crushing and feeding device, so that the effect of the fertilizer can be better in the fermentation process, a controller is arranged outside the fermentation box, and thecontrol signal output end of the controller is electrically connected with the transverse moving device, the longitudinal moving device and the stirring, crushing and feeding device. The device has the advantages of being simple in structure and high in practicability.