Public health system is a set of scientific knowledge and concrete actions aimed at maintaining the health of people in a society, prolonging their life, and improving .their life’s quality. It is concerned with threats to health based on population health analysis Public health is very important for any nation. There are many professionals working in the system of public health. Modern public health practice usually uses multidisciplinary teams of specialists. The state of public health is an important indicator of the level of a society’s development.