1. An optical pointing system, comprising: a first light source disposed on a first location of an object and configured to provide a first light whose wavelength is within a first predetermined range; a second light source disposed on a second location of the object and configured to provide a second light whose wavelength is within a second predetermined range; an image receiver configured to detect optical signals of the first light source and the second light source for generating a corresponding first image and a corresponding second image; and an analyzing unit configured to acquire a relative position of the image receiver with respect to the object according to the first image and the second image.