1. An image display method, comprising: (A) initializing a minimum number of the human eyes; (B) selecting one image from a plurality of images arranged for an electrical advertising panel; (C) displaying the selected image; (D) capturing a picture located near to the selected image displayed position for identifying the human eyes so as to calculate a calculated number of the human eyes; (E) comparing the calculated number of the human eyes to the minimum number of human eyes; (F) if the calculated number of the human eyes is smaller than the minimum number of human eyes to exceed a threshold limit value, selecting another image randomly and repeating step (C); (G) if the calculated number of the human eyes is not smaller than the minimum number of human eyes to exceed a threshold limit value, setting the minimum number of the human eyes as the calculated number of human eyes and repeating step (C); and (H) calculating a charged fee for displaying the image according to display times, display period length, and the calculated number of human eyes for each image.