The utility model discloses an enough shorten pre -conditioning time's a broadcast preceding preprocessing device for orchid family plant seeds. This a broadcast preceding preprocessing device for orchid family plant seeds, including the column barrel, the lower extreme of column barrel passes through the baffle and seals, the upper end of column barrel is provided with the lid, the lid is including the apron and center on the annular side plate at the apron edge, annular side plate 's the internal diameter and the external diameter phase -match of column barrel, annular side plate 's the lower extreme and the upper end of column barrel are passed through detachable construction and are linked to each other, be provided with a filter equipment, the 2nd filter equipment in the column barrel, use the device to carry out the preliminary treatment to it before the orchid family plant seeds broadcasts, can greatly reduce operating time, not only make things convenient for water -bath heating to handle the seed, the drying process of being convenient for in addition, whole processing unit constitution reasonable in design, the seed after handling is convenient for collect by convenient operation, still is convenient for simultaneously rinse. Be fit for popularizing and applying at the technical field that grows seedlings.