Through Internet auction system and method relates to the present invention refers to, specifically Internet auction through a commodity being a request information by clicking a receiving; the disclosure information to said commodity; receiving a request bids for said goods; said one' s routine receives the invoice issued in a number of bids for goods; and using said input said invoice issued in the resultant win predetermined so that the goods; and, said bid by the user clicking the receiving a request routine external grudge contract number and price that have been agree condition is characterized S101 through Internet auction bidding only routine number makes it possible to system and method are disclosed. According to the present invention, while a general trading party such as real estate auction conditions is satisfied is agreed between 2000.