System and method for accumulating point by using image code

PURPOSE: A point accumulation system using an image code and a method thereof are provided to output information of purchased product to the image code and enable a user to scan the outputted image code by using a portable terminal, thereby accumulating points about the purchased product. CONSTITUTION: A calculation terminal(10) calculates costs about a purchase product. The calculation terminal outputs purchase information about the purchase product and an image code is about link information. A portable terminal(20) scans the outputted image code. The portable terminal decodes the image code. The portable terminal connects to a point accumulation managing server(40) based on the link information through wireless data communication. [Reference numerals] (AA) Wireless data communication network