The invention discloses an American ginseng seeder. The American ginseng seeder comprises a rack, a three-point suspension device used for being connected with a traction device is arranged at the front end of the rack, and a press wheel device is arranged at the rear end of the rack and rotates along with advancing of the rack; the rack is further movably provided with a seed storage device, a seed suction device, a seed discharging device, a ditching and earthing device and a transmission device; the seed suction device sucks seeds located in the seed storage device and transfers the seeds to the seed discharging device, the seed discharging device discharges the seeds into seed ditches ditched by the ditching and earthing device, the seeds fall into the ditches, then the ditching and earthing device covers the seeds with earth, and finally, the press wheel device flattens the land, so that sowing is completed, and the transmission device provides power passing and receiving for a gas suction device, the seed storage device, the seed suction device, the seed discharging device and the ditching and earthing device. The American ginseng seeder is reasonable in structure and convenient to operate, sowing operation can be conducted according to the plantation characteristics of American ginseng, sowing quality is guaranteed, and American ginseng plantation efficiency can be remarkably improved.