US Patent 9832821 Method for controlling information terminal apparatus

A control method causes a computer of an information terminal apparatus to perform a process including: receiving, from a first server, first display data causing a user of the information terminal apparatus to confirm the purpose of use of recipe information and asking for the permission to collect the recipe information; accessing a second server and receiving selected recipe information and control data for a cooker for preparation based on the selected recipe information; and when it is selected to permit collecting the recipe information for a purpose of use related to health care, and it is determined that selected recipe information corresponding to the set control data has an identifier indicating that the recipe is for food related to a specific constitution, disorder, disease, or allergy, transmitting the selected recipe information with the identifier, in association with a user ID of the information terminal apparatus, to the first server.