It is defined as the synthesis of nursing and public health practice applied to promoting and protecting the health of population. It is a specialized field of nursing that focuses on the health needs of communities, aggregates, and in particular vulnerable populations. It is a practice that is continuous and comprehensive directed towards all groups of community members. It combines all the basic elements of professional, clinical nursing with public health and community practice. It synthesizes the body of knowledge from public health science and professional nursing theories to improve the health of communities. The community health nurse conducts a continuing and comprehensive practice that is preventive, curative, and rehabilitative. The philosophy of care is based on the belief that care directed to the individual, the family, and the group contributes to thehealth care of the population as a whole.