Abstract: The present invention relates to managing various client information and provides a system and method for managing customer information such as name, identification number/code, address, and picture effectively. More particularly, the present invention relates to a customer information management system that enables to promptly and exactly complete a procedure of retrieval and registration of customer information by automatically inputting customer name, national registration number, address, and picture simultaneously using an optical device such as camera and text recognition technology, and a customer information management method using the system.