A new function--social and hygienic monitoring--is actively being put into activities of State Sanitary and Epidemiologic Service of Russian Federation. System of the monitoring is formed stepwise, with development of methodic, informational, material, technic and stuff resources in federal, regional and municipal establishments. Results of social and hygienic monitoring are used for better sanitary conditions, health care and environmental protection with consideration of regional features of sanitary and epidemiologic circumstances in territories of Russian Federation.