“Intelligent Mirror” is a kind of lighting and heating device that USES the principle of specular reflection to automatically track and directionally reflect the direct sunlight. Its simple structure, low cost, accurate positioning, through the program automatically calculate the Angle of the sun, through the controller automatically adjust the pitch Angle and horizontal azimuth Angle of the mirror, the sun will be directed reflection into the building interior, in order to improve the indoor light and heat environment, in order to achieve the purpose of energy saving.