A hinge stile gap blocking apparatus to prevent hand and finger injuries resulting from inadvertent door closings. The apparatus includes a hinge gap cover for use with an existing door and door jamb and configured to continuously occlude a gap between the door jamb and the outer facing edge of a hinge stile of the door. The hinge stile gap blocking apparatus has a curved portion that is shaped such that the door edge tracks the curve when the door is pivoted between an open and a closed position and from the closed to the open position. A method of installing the hinge stile gap blocking apparatus is also disclosed.