1. An image capturing method for use in a camera, comprising: configuring a composition profile for a picture to be taken, wherein the composition profile defines a composition of the picture and the picture includes at least one object; enabling a sensor in the camera to sense and acquire an image; analyzing the image to determine whether the image satisfies the composition profile; generating an indication signal according to the determination result; and when the image satisfies the composition profile, storing the image to be the picture.