1. An image display method of adding a special effect to a plurality of images, changing the plurality of images in time series, and sequentially displaying the plurality of images, comprising: an input step of inputting an image; an area detection step of detecting a plurality of feature areas from the input image; a determination step of determining a content of the special effect on the basis of detection results of the plurality of detected feature areas; and a display control step of displaying the image with the determined special effect.