A robot control apparatus for controlling a robot based upon a work program registered in storage means. A program display means is provided for displaying said work program in a list form. A child program list producing means retrieves another work program which is called by said work program and produces a child program list thereof A mother program list producing means retrieves another work program which calls said work program, and produces a mother program list. A related program storage means stories both said child program list and said mother program list in said storage means. A display selecting means selects a display way when said work program is displayed in the list form.