Abstract: A method for distributing information used by an information distribution system includes receiving, from a cooking appliance, first identification information for identifying a first food, first end time information indicating a first end time, at which a first cooking operation performed by the cooking appliance on the first food ends, and first log information indicating an operation output and an operation time of the first cooking operation, obtaining, on the basis of the received first identification information and first log information, first questionnaire information indicating a questionnaire relating to the first food from a memory, and distributing the first questionnaire information or second questionnaire information, which is generated using the first questionnaire information, to the display device if first additional cooking information indicating that the cooking appliance has performed an additional cooking operation on the first food has not been received from the cooking appliance in a fi