To provide a workpiece pickup device that makes a grasping means properly adsorbed on a workpiece.

A workpiece pickup device 1 includes: a lowering means 21 that lowers a servo cylinder 11 from a standby position; a detection means 22 that detects physical quantity corresponding to force by which a vacuum cup 13 presses a blank 15; a comparison means 23 that compares the detected physical quantity with physical quantity as a reference; and a stop control means that, based on the results of comparison, controls whether the servo cylinder 11 is to be lowered or to be stopped.