The invention provides a robot system, a robot system control method, and an action command generation device. Provided is a robot system including: a robot including a hand; a unit job storage section configured to store a unit job; a linking job generation section configured to generate a linking job being a command to move the hand from an end position at which a first unit job has ended to a start position at which a second unit job to be executed subsequently after the first unit job is started; an action command generation section configured to generate an action command for the robot byconnecting the unit jobs and the linking job in series, based on arrangement of a plurality of processing symbols; and a required time calculation section configured to calculate a required time of the action command by adding required times of the unit jobs and a required time of the linking job.