经验法则是一个重要的法学概念,法官对案件事实的认定离不开经验法则。但由于经验法则自身的不确定性、现行法律规定的缺失以及经验法则运用的主观性,导致实践中对经验法则的运用存在诸多误区。本文以彭宇案为分析视角,指出不应违背社会基本价值导向是运用经验法则时应把握的最为基本的原则。 The rule of thumb is an important concept of law. The judgment of the judge on the facts of the case can not be separated from the rule of experience. However, due to the uncertainty of the rule of experience itself, the absence of the current law and the subjectivity of the application of the rule of law, many misunderstandings exist in the application of the rule of thumb in practice. This article takes Peng Yu case as the analysis angle of view, and points out that we should not violate the basic orientation of social values ​​is the most basic principle that should be grasped when applying the rule of thumb.