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 analyzing result, wherein generation of the indication signal comprises guiding the objects to meet the composition profile when the image does not satisfy the composition profile; and when the image satisfies the composition profile, storing the image to be the picture.