Data provides a method of using the refrigerator of log information

Data providing method through a network (30) to collect log information appliances, data processing computer in the system (1) to provide the user authenticated based services log information (460) is executed. Data providing method, the log information of the refrigerator (100a, 100b), received via the network, included in the refrigerator of the log information, i) information indicating the set temperature in the refrigerator, ii) refrigerator ambient temperature information indicating, iii) information indicating a refrigerator inside temperature, and iv) using the information indicating the opening and closing history of the refrigerator, from the time the door is closed the refrigerator until the internal temperature reaches the set temperature of generating display data representing the tendency of changes in the arrival time, the display terminal of the authenticated user (130a, 130b), provides display data.