Graphene has attracted great interest in the field of nanoelectronics due to its exceptional electronic, mechanical, and thermal properties. With its extraordinary high thermal conductivity, intrinsic mobility, and a carrier density 106 times that of copper, graphene promises a wide variety of potential applications. Graphene is a planar atomic layer of carbon atoms bonded in a hexagonal structure, and has unique optical constant properties . Graphene has been implemented as a special material as well as a material function in The RSoft CAD Environment to enable convenient simulation of this novel material. This article will introduce graphene material functions, the graphene model included in the RSoft CAD, and the examples to analyze optical properties of graphene.