An indoor unit of an air-conditioning apparatus is provided, the indoor unit which can easily cause a wireless remote controller to output sound and does not degrade the design of an appearance of a main body. A main body 1 includes a main-body communication device 40 that communicates with a wireless remote controller 10, an image pickup device 50 that captures an image of the inside of a room, and a controller 30. The wireless remote controller 10 includes a wireless-remote-controller communication device 15 and a sound output device 13. When the face of a person is present within a face recognition range in a field of the image pickup device 50 for a face recognition time, the controller 30 recognizes the face of the person. If the controller 30 recognizes the face of the person, the controller 30 causes an operating signal to be sent to the wireless remote controller 10. When the wireless remote controller 10 receives the operating signal, the wireless remote controller 10 activates the sound output device 13 and causes the sound output device 13 to output sound.