A commodity order issuing and accepting method is disclosed in which an order issuer requests a first electronic document having first input fields for order issuer information and for commodity order issuance information except for a payment date to an order accepter; the order accepter transmits the first electronic document to the order issuer; the order issuer fills the first input fields; the order issuer transmits the filled information to the order accepter; the order accepter retrieves a transaction condition corresponding to the commodity order issuance information except for the payment date; the order accepter transmits a second electronic document on which the transaction condition is described and which has a second input field for the payment date to the order issuer; the order issuer inputs the payment date to the second input field; and the order issuer transmits the payment date to the order accepter.