Abstract: This paper points out some problem of similarity methods between Vague sets in literature, analyzes the root causes of these problems, and proposes a new method of similarity measures between vague sets. Its effectiveness and rationality are illustrated by an example.

Key words: Vague sets, Fuzzy sets, similarity measure

摘要： 指出现有Vague集相似度量方法的不足，分析了其存在不足的根本原因，给出了一种Vague集相似度量的新的计算方法。通过实例说明了该计算方法的有效性和合理性。

关键词: Vague集, Fuzzy集, 相似度量