Provided are an information display system, a non-transitory computer-readable storage medium, and a display control method. The information display system includes a transmission type head-mounted display and a control section. The control section includes a gaze point detecting section configured to detect a point of gaze of a user, a first judgment section configured to judge whether the user gazes at a certain area on a virtual screen or on the background beyond the virtual screen, a second judgment section configured to judge whether a sight-line region around the intersection of the virtual screen and a sight line of the user overlaps with an object displayed on the virtual screen, and a display control section configured to, in response to a movement of the point of gaze, change at least one of a display position and a display mode of the object on the basis of judgment results.