本文在概述测谎结论及其作用的基础上,分析了其法律特征。从而从合法性、客观性和关联性的角度论证其具有证据价值。但是测谎结论的应用必须受到一些规则的限制,尤其应注重其间的人权保障,以此更加有效的发挥测谎结论在司法实践中的作用。 This article summarizes the polygraph conclusion and its function, and analyzes its legal characteristics. From the perspective of legitimacy, objectivity and relevance, it is argued that it has evidential value. However, the application of the polygraph conclusion must be limited by some rules, especially paying attention to the guarantee of human rights in the meantime, so as to make more effective use of the conclusion of polygraph in the judicial practice.