The present invention relates to a method and system for managing the green life of a user. The present invention provides a green life management system managing a green life of a user by using a card medium of the user, comprising: a card reader terminal (100) configured to read card medium information of the card medium, and a management server (200) configured to communicate with the card reader terminal and receive the card medium information, wherein the management server comprises: a first green life management unit (240) configured to receive energy consumption information of the user, calculate points based on the card medium information and the energy consumption information, and transmit the points to a point management unit (230), a second green life management unit (250) configured to receive a product purchase list of the user, extract a green product list from the product purchase list, calculate points based on the card medium information and the green product list, and transmit the points to the point management unit, and the point management unit (230) configured to accumulate the received points in an account of the user, classify the accumulated points based on the energy consumption information and the green product list, and transmit details about the classification to a user terminal of the user.
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