A preferable embodiment of an Internet check according to the present invention comprises a check symbol for indicating a kind of a check, a bank symbol for indicating a bank issuing the check, an issued date symbol for indicating the issued date, an issued number symbol for indicating an issued number of the check, an issue-price symbol for indicating the price of the issued check, a password symbol for indicating a password of the issued check. And each of these symbols consists of characters or numbers or figures or symbols or a combination of these, and these symbols do not have any real shape and are used in electronic commerce based on the Internet. A preferable embodiment of an Internet card according to the present invention comprises a card symbol for indicating a kind of a card, an issue organization symbol for indicating an issue organization of the card, an issued date symbol for indicating the issued date, an issued number symbol for indicating an issued number of the card, an issue-price symbol for indicating the price of the issued card, a password symbol for indicating a password of the issued card.A preferable embodiment of an electronic commerce method according to the present invention comprises a step for requesting a bank to issue the electronic check or an electronic card by a customer after the customer pays money to the bank and his real name is confirmed by the bank, a step for issuing the customer the electronic check or the electronic card according to the request by the bank, a step for paying in the electronic check or in the electronic card by the customer in order to pay in exchange for wares, that the customer purchased or used and providers provided, a step for asking the bank to pay in cash for the paid electronic check or the electronic card by the provider. |