A programming assistance apparatus (100) is provided with a work job-storing unit (114) for storing multiple work jobs stipulating movement patterns for a robot (2); a first condition-setting unit (412) for setting an environmental condition designating a movement environment for the robot (2) for any of the multiple work jobs according to input into a user interface (130); a second condition-setting unit (417) for setting, from among the multiple work jobs, multiple work jobs to be executed by the robot (2) according to input into the user interface (130); and a planning assistance unit (501)for determining, in an execution flow in which an execution sequence has been established for the multiple work jobs to be executed that have been set by the second condition-setting unit (417), whether or not at least one work job satisfies the environmental condition on the basis of said execution sequence.