The science of community medicine and health care is a branch of the medical specialties which are concerned with the health of individuals and the health problems in the community and how to treat and prevent them. It cares about the study of communicable and non-communicable diseases, their causes and how to prevent them and the study of the healthy nutrition science and diseases caused by malnutrition. The science of community medicine and health care is also concerned with the maternal and child health, school health, adults and elderly health, environment health, occupational health and rural and remote areas health. It provides many outreach activities to communicate health awareness and health education among for citizens. It also takes part in national campaigns for vaccines and the world health days that benefit the individual and society.

The science of community medicine and health care plays a major role in carrying out field studies to monitor the health problems in the community and find effective solutions through the design of interventional health programs to fight these problems.