Coated seed seeder

The utility model discloses a coated seed seeder which comprises a seed box, a middle shell and a lower cylinder, the seed box is connected to the upper part of the middle shell, the lower cylinder is connected to the lower part of the middle shell, the lower cylinder is of a cylinder structure with a wide upper part and a narrow lower part, and a push column is arranged in the lower cylinder in a penetrating manner; a conical head is arranged at the bottom end of the push column, a strip-shaped groove is formed in the side wall of the push column, the top end of the push column extends into the middle shell, a side connecting piece is arranged at the top end of the push column, a spring is connected between the side connecting piece and the bottom face of the middle shell, and a pressing head used for pressing the side connecting piece downwards is arranged on the upper surface of the middle shell. The cavity of the middle shell communicates with the cavity of the lower barrel to form a flow channel, and the