Abstract: Oyster is not only a popular shellfish, but also a natural health food with high nutritional value. Chinese Ministry of Health has approved oysters to be included in the first batch of food which is not only medicine but also the health benefits products. It's one of the four major cultured shellfishes, the output accounts one third of total marine aquaculture products which can be found almost in every province near the coast, but it is still not fully developed and utilized in China. Through introducing the nutrition values and function, and the status of development and utilization of oyster at home and abroad, we discussed the necessity of developing the oyster food and put forward the suggestions on cold preservation, processing, biological health products and other aspects in this article.