Because the air conditioner will work to a certain extent to take away the indoor moisture, causing the room too dry, so if you use the air conditioner for children in the summer, it is best to use with a humidifier together to avoid causing the child’s eyes astringent, itchy skin, dry lips, dry throat and other situations. It is important to note that even if you use air conditioning for children, the indoor temperature is reduced, very cool and comfortable, but it is also necessary to open the windows frequently for ventilation, so as to avoid long periods of time the indoor air is not replaced and the quality decreases, but rather cause the child is prone to colds and other situations. The best equipped with a thermometer, the most suitable temperature for children is 20-25 ℃, humidity control at about 50%-60% is appropriate.