A component mounting apparatus includes a carriage that holds a part feeder for supplying a component in a state of being attached to a base and attaches the part feeder to the base in a state of being coupled to the base; a mounting head that mounts the component to a substrate after the component is taken out of the part feeder held by the carriage coupled to the base through an opening formed between the base and a cover member formed so as to cover an upward side of the base; and a shutter moved from an opened position in which the opening is opened to a closed position in which the opening is closed when the carriage is separated from the base.