In this strdy, the nutrients of Oyster O. denselamellosa Lischke from Bohai Bay has been analysis. The result showed that the characteristic of oyster's nutrient in higher content of taurine (50 umol/g wet wt. , zinc, selenium; but lower in fat and cholesterol, it also cotains some EPA and DHA (20. 4% in all FA);and is rich in minerals and vitamins. This study results provide the scientific basis for exploiting and developing oyster health food.