This article addresses the issue of proper use of light source in the illumination field. The proposed smart vision system provides an effective way to save energy by strengthening or weakening the light flexibly according to the need of specific area. In addition, with the assistance of smart vision system, a clear and safe auxiliary lighting system can be provided for those who need to work in the lighting area. Furthermore, accent lighting is available for some specific key areas, which adds more flexibility for the lighting system.