对风险问题的准确把握，是保证信任决策科学性的关键。针对目前在动态信任关系研究中对信任与风险本质关系理解不够和研究的不足，提出了风险视角下的信任关系理论模型和决策模型，详细分析并给出了信任与风险，以及信任决策与风险决策的本质关系，认为信任是风险的另一种表达形式，信任决策就是风险决策。通过对信任、风险和可信决策三者为一体的安全决策过程的分析，增强了安全决策的科学性，使得安全决策更加理性、全面和客观。

Grasping the risk issues correctly is the key to ensure the scientificity of trust decision-making. Aiming at the insufficient understanding and research of the nature relationship between trust and risk in the present research on dynamic trust relationships, this paper proposes the theoretical model and the decision-making model of trust relationship from the perspective of risk, analyzes in detail and gives out the nature relationships between trust and risk, trust decision-making and risk decision-making. Trust is deemed to another expression of risk. Trust decision-making is risk decision-making. The scientificity of security decision-making is enhanced and the security decision-making becomes more rational, more comprehensive and more objective by the analysis of security decision-making process of trust, risk and credible decision-making.

国家重点基础研究973课题资助项目（2013CB328903）。