In modern life, to keep our own datas in PC from unauthorized reading, alteration and deletion, we use the passwords for most of the cases, such as Windows login, login for E-mails, encryption for files, etc. However, it is a challenge for a lot of people to memorize so many annoying passwords. How to use the encrypted information safely and conveniently becomes a big problem for all people. The application of the Fingerprint Reader can help you solve this problem. The Fingerprint Reader was developed on the basis of the exclusiveness and high security of human fingerprints and by employing the sliding fingerprint identification chips latest at present time. Through the Reader, the user can use his own fingerprint to replace annoying passwords or ciphers, and do not need to manage and remember them, which will surely enhance the security level while operate more easily and convinient.