Seed coating device

The utility model provides a seed coating device which comprises a coating mechanism, a drying mechanism, and a screening and discharging mechanism, wherein the coating mechanism comprises an inverted cone shaped and vertically-arranged coating pan and a motor mounted at the bottom of the coating pan, an output shaft of the motor is connected with a belt at the bottom of the coating pan so that the motor drives the coating pan to rotate around an axis of the coating pan, and the coating pan is provided with a first feed inlet and a second feed inlet at the top thereof and a discharging port at the bottom thereof. The seed coating device provided by the utility model can save medicament, and is uniform in coating and especially suitable for grass seeds with a weight of less than 0.0001 grams.