In this paper,in order to compare the accuracy of sample information each other the definition of strictly accurate information in Bayesian analysis is given.

• 本文给出贝叶斯决策中比较样本信息准确度的样本信息严格准确的定义,并在严格准确意义下研究了样本信息准确度的变化与抽样信息价值之间的关系。