Sowing by weight, no damage to seeds, high precise seeds clearance, stable sowing, and saving seeds and less thin out seeding. Adopting zero speed, equal potential energy, low position feeding sturdy, seeding spacing is even. Mainly for sowing corn, and also sowing bean, cotton seeds, peanut and sunflower seeds. It has multifunction, the machine can spread the basis fertilizer during planting, and can complete the suppression at the same time. Feeding out is driven by gear to avoid troubles arising from machine reverse turning. It changes the rows space by adjusting different driven gears. Can pick out the whole disc cower when clearing the seeds. Seeds clearance is convenient and thoroughly. The machine has the characteristic of narrow trenching, moisture and fertilizer front, side spreading and matching the tractor with different power.