Today, due to the limitations of natural capital, it is necessary to balance the rate of utilization of environmental capital with the speed of restoration and their return. Thus, issues and concepts such as green economy and green banking have been considered by countries and regional and international organizations in recent decades. And banks can contribute and influence by using the implementation of green banking to achieve the goals of the policies of the entire resistance economy, production and employment. Green banking was officially started and expanded in Western countries with the aim of preserving natural capital. The initial decision of this type of banking is to minimize the use of paper in banking due to the need to cut down trees, which are the main assets for increasing oxygen production and reducing carbon dioxide. Green banking is paperless banking, without fuel and without wasting time and energy, and if it is the main priority of consumers of banking services, it will pave the way for sustainable development in the country. This article reviews previous articles and research in the field of green banking and its importance and status.