The scratch card applied the modern printing technology to ensure the security of card data, increasing the difficulty of counterfeiting. Scratch cards are usually printed with serial number and password (or PIN), the password covered in a scratch film, you can see the PIN after scraping the scratch film. The scratch film we used is a latest-model, easily scratch, a variety of security functions of high-quality cover materials. It is used in phone cards, game cards, value cards and other scratch cards with password. It is security with password covered, anti-light, anti-counterfeiting, anti-theft code, one-time use, confidentiality.