As it is known, the light emission has both of wave and quantum nature. Because of the latter, it can be handled as a point mass in the case of necessity. The wave properties of the light are investigated by Maxwell wave equations and the point mass properties by Schrödinger wave equation. The purpose of the paper is to show that these two properties of the light can be treated by a single equation system. To realize this aim, "Extended Maxwell Equation System" is proposed and it is shown that this system, under acceptable limitations, comprises both electromagnetic wave equations and the scalar wave equation from which Schrödinger wave equation can be derived. Thus it is revealed that the symmetry which is present between electric field vector and magnetic field vector in the "Extended Maxwell Equation System", also exists between wavefront surface normals of y and φ of two scalar Schrödinger wave equation. Since the coefficients of Schrödinger wave equation pair can be different, it is possible to assume the existence of two different mass points, associated to these two wavefront surface which arc perpendicular to each other.