Abstract: This paper focuses on an overview of disaster scenario in Bangladesh. It is generally true that no one can be eliminated natural disaster but the extent of its damage can be reduced to its reasonable limit to minimize the loss of lives and properties by implementing disaster action plan and co-ordinate disaster management method. Both qualitative and quantitative techniques were applied to carry out this study. It is necessary to the work before the disaster occur to mitigate, preparedness and collaboration with different organization can reduced the loss of huge lives and properties. Communication technology play an important role in management approach to disaster especially preparedness phase of disaster. The main aim of this research is to examine existing Disaster Management System (DMS) and investigation of current development of DMS. This paper attempts to develop a proposed model for enhancing DMS which reducing loss and copes with all kind of disaster in Bangladesh. It can be concluded that number of victim people caused by disaster decreases because of technological advancement but disaster occurrence increases from past to recent due to climate change impact.