Abstract: A personal information infringement protection system, includes: a portable terminal having an application installed therein to photograph a QR code and recognize biometrics; a service server for storing the encrypted personal information, and generating an ID of a user and transmitting the ID to the portable terminal to be stored therein or informing the portable terminal of login completion when the ID received from the portable terminal is a valid ID; and a key server for generating a key value for encryption and decryption of the personal information, classifying and storing the key value by user, and providing the key value to the service server.