1. An image capturing method for image recognition, comprising: providing at least three image capturing devices arranged along a same direction and an image processor; the at least three image capturing devices capturing at least three first images; determining a target object in the at least three first images; activating a first pair of image capturing devices of the at least three image capturing devices according to shooting angles of the target object in the at least three first images in order to capture a first pair of motion images; and the image processor performing image recognition on the target object according to the first pair of motion images.