Patent ID: 7640167

Claim:
A self-service sales management system, comprising: a skill authentication server; a shop terminal; a customer terminal and a card company server, which are interconnected via a communication network; wherein said skill authentication server comprises a skill authentication test creator for creating skill authentication test questions on the basis of a screen input information, calculating a skill authentication result on the basis of a customer test answer information for the skill authentication test questions, and transmitting the customer test answer information and the skill authentication result to said shop terminal and said card company server; said customer terminal comprises a communicator for transmitting the customer test answer information for the skill authentication test questions to said skill authentication server; said card company server comprises an ID card creator for creating an ID card for storing the customer test answer information and the skill authentication result; and said shop terminal comprises a transmitter for transmitting the screen input information to said skill authentication server and a guidance unit for providing guidance on the basis of the customer test answer information and the skill authentication result that are read from said ID card.