The particularity of the medical industry requires that the touch devices used by it have precise operating compendium, alcohol-resistant disinfection and wiping cleaning, and need to support the operation with gloves. It is often used in nurse workstations, lifetime offices, patient self-checking, computer-aided medical care, etc. At present, the requirements for touch screens of most medical terminals are mainly between consumer and industrial grades. The main application sizes are 3.5 inches, 5 inches, 7 inches, 8 inches, 10.1 inches, 12.1 inches, 15 inches, 17 inches, and so on.