Individual certification method

The invention claims a device for portable terminal and security to authenticate the personally method. A portable terminal (30) is information server (10) and authentication, the information server (10) is the interpellation symbols of the portable terminal (30) transmits method for. The portable terminal (30) is method of using reading machine (21) of the sale management server (23), the interpellation symbol to the information server (10), the controller authentication. The information server (10) which interpellation symbol, the interpellation symbol for generating for comparing, personal data of wherein result and sale management server (23) matched with a paper-splicing feeder sale management server (23).