Abstract: Since 1970s,transgenic technology,a representative of modern biotechnology,has played an important role in solving food shortage and environmental pollution,and being developed into a powerful modern biotechnological industry.With the appearance of various kinds of transgenic organisms and the continual coming into market of their products,biosafety has become the focus of public concerns.This paper analyzed the possible negative effects of transgenic organisms on biodiversity,environment and human health,summarized the present situations about the management of transgenic organisms’ safety at home and abroad,and put forward the strategies to reinforce the management of transgenic organisms’ safety.

Key words: Oryza sativa, Enzyme activity, Grain-filling, Photooxidation