Abstract: Electronic commerce system in which a purchaser accesses a seller's server via a communication network from a communication terminal and purchases a commodity by operating a commodity selection view displayed on the communication terminal. The commodity selection view is of matrix-type and comprises a common section part showing therein common items for a plurality of commodities to be sold, a matrix section table constituted by a plurality of cells in row and column arrangement, a first row and a first column of the matrix section table are filled in a first selection condition information and a second selection condition information respectively, a selection operation part for receiving necessary input data is provided in each of the cells except for the first row and the first column, and the commodity selection view is provided with a cart transfer button for transferring and storing a purchase information into a shopping cart for purchase.