Fuente: WIPO "circular economy" The utility model relates to the technical field of black fungus planting. The culture medium split charging device for black fungus planting comprises a rack, the device comprises a rectangular frame-shaped control frame, one side of the control frame is connected with a screw rod; the end part of one section of the screw rod is fixedly connected with a rotating handle; a plurality of control mechanisms with uniformly distributed lines are arranged in the middle of a frame of the control frame; the control mechanism is contacted with the screw rod; the control mechanism comprises a clamping seat I and a clamping seat II; the clamping seat I and the clamping seat II are oppositely arranged; and the clamping seat I comprises a rotating rod, a spring, a telescopic column, a control panel anda fixed rod. Through simple structural design, the rotation of the cut-log culture medium can be conveniently and quickly controlled by controlling the rotation of the rotating handle, so that each side surface of the cut-log can meet the illumination requirement, and the practicability of the whole split charging device is improved.