1. An iris recognition camera system for mobile device comprising a sensor and associated circuit, a camera lens and lighting sources including a lighting source element, a displaying light source element and IR LED light source elements, wherein the lighting sources are installed around the center of the camera lens with a predetermined clearance, and the lighting sources are attached on an FPCB and arranged on the four sides of the center of the camera lens and equipped with an FPCB cover for protection and a guiding mirror configured for acquisition by a user of an image of his or her iris watching the image of his or her iris thereby to determine that the iris is a living iris.