Abstract: The present invention relates to the technical field of agricultural machines, specifically to a furrow opener of a wide seedling row seeder, which includes a frame, where a power device is arranged at the upper portion of the frame, two symmetrically arranged connecting plates are arranged at the lower portion of the frame, a furrow opener shaft is arranged between the two connecting plates, the furrow opener shaft is connected with the power device through a driving device, the furrow opener shaft is fixedly connected with a plurality of furrow opening blades uniformly distributed on the circumferential surface of the furrow opener shaft, a main body of the furrow opening blade is in shape of a rectangular plate, the furrow opening blade is formed by carrying out a twisting treatment on a plate-shaped structure, a head end of the furrow opening blade is vertical to the center line of the furrow opener shaft, a tail end of the furrow opening blade is in parallel with the center line of the furrow opener shaf