An information communication method is provided for obtaining information from a subject using a terminal device that includes an image sensor having a plurality of exposure line. The method includes setting an exposure time of the image sensor so that, in an image obtained by capturing the subject by the image sensor, a bright line corresponding to each of the plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, obtaining identification information of the subject, and sending the identification information to a server. The method further includes obtaining reservation information related to the identification information from the server, the reservation information related to a content displayed by the subject, and displaying the reservation information on a display of the terminal device.