A number of deficiency occurred in the current legal norms on nuclear security in China, mainly including some contexts are too principle to be executed efficiently, another are out of date, lack of basic law and relevant supporting legal instruments This paper aims at examining the causes of above-mentioned problems and exploring the possible resolving measures This paper thinks, for a long time, Chinese utilization of nuclear power hasn’t been supported by the comprehensive legal regime on nuclear security, which buries a series of security risk for future nuclear industry, so it is urgent to improve it in order to eliminate this type of potential nuclear risk in the future Finally, this paper proposes to enact Atomic Energy Law and relevant supporting legal instruments as soon as possible in order to perfect current legal contexts to be more concrete and more easily applied to