To provide an advertisement distribution method of determining a distribution destination of an advertisement of a product that has a low direct relevance to execution pieces of information collected from home appliances. The advertisement distribution method includes: a collecting step of collecting, from each of one or more of home appliances owned by each of users, one or more pieces of execution information each indicating a function that has been executed by the home appliance; a detecting step of, with respect to each user, detecting an unused function that has not been used in each home appliance by analyzing the collected pieces of execution information and functions of the home appliance; and a transmitting step of extracting a user who is expected to purchase a product based on a detection result, and transmitting an advertisement to one or more of the home appliances owned by the extracted user.