The utility model provides an electrical cultivator, which comprises a framework, walking wheels arranged on the both sides of the framework and two mobile ploughshares; wherein, the mobile ploughshare comprises a plowshare, a hydraulic riser and electrical wheels arranged on the sliding grooves at the front side and back side of the framework; wherein, the plowshare is connected with a lifting shaft inside the hydraulic riser; the hydraulic riser is connected with the electrical wheels arranged at the front side and back side of the framework; the two plowshares on the mobile ploughshares have the opposite directions. The electrical cultivator is characterized by simple structure, light weight, low cost, high cultivating speed, good cultivating effect, etc.