A tape feeder includes a reel holding section, a feeder main body, and a movable mechanism which is provided between the feeder main body and the reel holding section, and allows the reel holding section to relatively move with respect to the feeder main body. The movable mechanism is capable of changing a position of the reel holding section with respect to the feeder main body between an upper position and a lower position, and is capable of changing the position of the reel holding section between a proximity position and a separation position at least at the lower position.