Seed treatment device for improved seed cultivation

The utility model belongs to the technical field of sapling improved seed breeding equipment, and provides a seed treatment device for improved seed cultivation, which comprises a container, a water pump, a water tank, a water pipe and a plurality of valves, a base is arranged at the bottom of the container, the container comprises a seed accommodating part and a liquid accommodating part, and a pair of water passing pipes is arranged on the liquid accommodating part. A first water receiving pipe and a second water receiving pipe are arranged in the liquid containing part, a center pipe is arranged at the output end of the second water receiving pipe, a supporting plate is arranged on the side face of the center pipe, a filtering plate located in the seed containing part is arranged on the supporting plate, and a hollow limiting piece connected with the supporting plate in an inserted mode is arranged in the center of the filtering plate; the hollow limiting piece is matched with the central pipe in a penetra