An information providing system includes: a terminal device that acquires biological information as information on a user and transmits the biological information; and an information processing device, wherein the information processing device receives the biological information from the terminal device, analyzes condition of the user based on the biological information, judges whether content should be provided to the terminal device or not based on a result of the analyzing, and provides the content to the terminal device when judging that the content should be provided to the terminal device.