Capacitive touch switches bring normal panels and capacitive sensors together, unlike traditional push-button switch keyboards, capacitive switches don not need pressing, and only putting a finger on the button of the sensing area, then can be recognized by the machine through the film sensor operation plate. The touch buttons are usually made of acrylic panels or injection parts with a backlight display function, it has a good appearance surface, long service life, and can interface very well. Capacitive Touch Switch panel has great advantages in many applications such as smart home appliances, cars, mobile phone communication, medical instruments, and toys.