The invention discloses an online transaction method based on a bulk commodity transaction platform, and a transaction platform
system. The method comprises steps of receiving commodity information submitted by a seller, a commodity electronic warehouse
receipt, a management
authorization voucher of the commodity electronic warehouse
receipt; according to the commodity information submitted by the seller, issuing commodity supplying information, and setting a time threshold value; when the time threshold value is reached, integrating all transaction orders generated in the transaction period to generate an integrated order; according to the integrated order and the commodity electronic warehouse
receipt, generating electronic warehouse receipt partitioning information; sending the electronic warehouse receipt partitioning information and the management
authorization voucher of the commodity electronic warehouse receipt to a third parity storing mechanism; receiving multiple commodity sub warehouse receipts after partitioning of the third parity storing mechanism; and after a buyer finishes the
payment, sending a commodity sub warehouse receipt corresponding thereto to the buyer. According to the invention, by generating an online partitioning program through integration, an efficiency problem of offline communication between the seller and the
third party storing mechanism is avoided and transaction experience of each part in the transaction platform is optimized.