A head mounted display for supporting improvement in an act of moving a body is provided. The head mounted display includes image display unit that transmits external scenery therethrough and forms an image, a body motion detection unit that detects motions of a body of a user and at least a part of a tool bundled with the body, a model moving image acquisition unit that accesses a model moving image storage unit which stores, as a model moving image, a moving image showing a motion of the body, used as a reference of the act and stores the model moving image for each type of act, and acquires one or a plurality of model moving images corresponding to a detection result from the body motion detection unit, and a display control unit that causes the image display unit to form the acquired model moving image.