Abstract:  The essential trace element,selenium(Se),is of fundamental importance to human health.Se status of human body mainly depends on dietary.In this paper,the differences of Se sources of foodstuff in geography;content and chemical form were summarized.Advances in the Se biology studies on metabolism;biological availability;distribution in tissues and cells ;optimal intake levels,and assessing of Se status and Se－enriched functional foodstuff were reviewed too.

Key words: Foodstuff Selenium(Se) Biology Se－Enriched functional foodstrff