In this research researchers are taking an overview of the concept of green library and green library building. Library perspective there are many ways to live with nature and green library building are one of them. Basic aim of the green library is to save nature through minimizing the negative impact on the natural environment and maximize indoor environmental quality at the library. Libraries are a platform for connecting all ages users for lifelong learning. In India last some decades had many pandemic situations and all situations prove that only natural things are the base of human life, COVID-19 pandemic situations are also one of them. Generally libraries have different types like Public, Academic, Children, Special and Digital… etc. but the purpose and its usage are the same. For providing different kinds of services library building is the core part of the library profession. Library building is the center point of this research.