An indoor unit of an air-conditioning apparatus, comprising: a main body installed on a wall surface in a room and including a main-body communication device, and a wireless remote controller including a wireless-remote-controller communication device that makes communication with the main-body communication device by using a signal, wherein the main body has an air inlet and an air outlet, the main body including a fan that sucks indoor air from the air inlet and forms an air path to the air outlet, a heat exchanger that is arranged in the air path and executes part of a refrigeration cycle, an image pickup device that captures an image of the inside of the room, and a controller that causes the main-body communication device and the wireless-remote-controller communication device to make communication by using a signal, wherein the controller associates a motion of a person whose image is captured by the image pickup device with one of previously registered air-conditioning conditions, based on a remote-controller instruction condition which is an air-conditioning condition corresponding to a signal sent from the wireless-remote-controller communication device or based on the motion, the controller controls at least one of the fan and the refrigeration cycle based on a gesture instruction condition which is the associated air-conditioning condition, and the controller causes the main-body communication device to send a signal corresponding to the gesture instruction condition, and characterised in that the wireless remote controller includes a wireless-remote-controller display device, and when the wireless-remote-controller communication device receives the signal corresponding to the gesture instruction condition, the wireless-remote-controller display device displays the gesture instruction condition. a main body installed on a wall surface in a room and including a main-body communication device, and a wireless remote controller including a wireless-remote-controller communication device that makes communication with the main-body communication device by using a signal, wherein the main body has an air inlet and an air outlet, the main body including a fan that sucks indoor air from the air inlet and forms an air path to the air outlet, a heat exchanger that is arranged in the air path and executes part of a refrigeration cycle, an image pickup device that captures an image of the inside of the room, and a controller that causes the main-body communication device and the wireless-remote-controller communication device to make communication by using a signal, wherein the controller associates a motion of a person whose image is captured by the image pickup device with one of previously registered air-conditioning conditions, based on a remote-controller instruction condition which is an air-conditioning condition corresponding to a signal sent from the wireless-remote-controller communication device or based on the motion, the controller controls at least one of the fan and the refrigeration cycle based on a gesture instruction condition which is the associated air-conditioning condition, and the controller causes the main-body communication device to send a signal corresponding to the gesture instruction condition, and characterised in that the wireless remote controller includes a wireless-remote-controller display device, and when the wireless-remote-controller communication device receives the signal corresponding to the gesture instruction condition, the wireless-remote-controller display device displays the gesture instruction condition.