Marking lottery card and method for constructing database using the same

A method for constructing a database using a marketing lottery card, said method comprising:

• connecting a customer having the marketing lottery card, obtained off-line, to a free gift-offering site via the Internet and selecting a free gift-offering event;
• identifying whether the customer is a member of the free gift-offering site and inviting the customer to join the site unless the customer is a member of the site;
• displaying a pop-up window of the free gift-offering event, said pop-up window comprising a confirmation table and an identification number input area;
• receiving an identification number of the marketing lottery card on the identification number input area;
• displaying the confirmation table of the pop-up window such that numbers, marks, characters, or figures presented on the confirmation table are rotationally changed;
• selecting one mode from the rotationally changed numbers, marks, characters, or figures based on a click by the customer on a stop icon being displayed, wherein a winning or losing status of the marketing lottery card can be verified by overlapping the marketing lottery card on the confirmation table displayed on the pop-up window;
• asking whether the customer wants to receive one more chance to participate in a lottery for receiving a free gift, if the marketing lottery card (100) is does not have a the winning status;
• requesting the customer, if the customer wants to receive one more chance to participate in the lottery for getting the free gift, to respond to a designated marketing survey or to watch an advertisement for a designated time;
• and
• displaying contents of the free gift to the customer on the pop-up window and simultaneously transmitting the contents to the customer in real-time via an e-mail, after finally verifying the winning or losing status of the customer's marketing lottery card.