A sterile drape according to an embodiment may include: a flexible film member including a first opening and a second opening and configured to cover the robot arm received through the second opening； and a resin molded member configured to close the first opening of the flexible film member. The resin molded member includes: an upper surface portion having a shape and a size fitted to an attachment surface of an attachment portion of the robot arm； a side surface portion extending downward from the upper surface portion； and a projection which projects outward from a lower edge of the side surface portion and to which the flexible film member is welded.
