A behavior control apparatus includes an external condition acquiring unit configured to acquire an external condition of a mobile robot; a goal generating unit configured to generate a goal to be achieved by executing a plan for multiple functions of the mobile robot, based on the external condition; a goal class generating unit configured to generate a goal class indicating whether the goal is a general goal to be achieved in the order of generation of the goal or a conditional goal to be achieved by an interruption as satisfying a preset executing condition; an executing order determining unit configured to determine an executing order of the plan based on the goal class; and a plan generating unit configured to generate the plan for achieving a goal sequence of the order of execution. |