:The paper is based on systematic literature review. It gives the key principles to successful health care integration premising on the point of integration of service delivery as a necessary solution to challenges in the health system. The principles are a toolkit for evidence informed decision-making, planning and implementation of integrated healthcare systems models as well as their management.One principle involved is providing clinical and health related services, creating awareness and promotion of health services for the severed population. An integrated system is patient focused; meeting their needs through related assessments that justify the need for integration.