PURPOSE: To provide a multiple kind parts supplying device which is capable of supplying a plurality kinds of trays at the same space and has excellent productivity when the parts arranged tray is supplied in a parts supplying system to be used in the automatic assembly or the like.

CONSTITUTION: Trays which are piled on a stock conveyor 12 and a stock conveyor 15 are separated piecewise by a stage-separating part 13 and a stage- separating part 16, and stored respectively in a lower lifter part 29 and an upper lifter part 28 and elevated, and an actual tray 14 in the lower lifter part 29 is moved and loaded in a tray positioning part 30. In this condition, a tray feeder with high productivity can be obtained by simultaneously supplying the parts in plural kinds of trays to an assembling equipment as a robot or the like.