本文在无生命、物质和科学三个限制的前提下讨论“信息”到底是什么。依次论证:(1)自然科学没有能力度量信息的“质”,只能讨论信息的“量”;(2)“信息熵”只是度量信息“量”的概念;(3)在无生命的物质科学领域内,信息熵完全等价于Boltzmann熵,对应于实验中的热熵;(4)运用Occam剃刀原理,信息熵和Boltzmann熵两个名词只能留下其中的任意一个;(5)“熵”取决于体系的微观状态总数,即最终取决于热运动引起的分子核骨架的动态变化。于是,在无生命、物质和科学三个限制的领域内“信息”只是望文生义的产物。 This article discusses what “information” is about without the three limitations of life, materiality and science. (2) “Information entropy” is only the concept of measuring “quantity” of information; (3) In the case of inanimate matter In the field of science, the information entropy is completely equivalent to the Boltzmann entropy corresponding to the thermal entropy in the experiment. (4) According to the Occam razor principle, the entropy and the Boltzmann entropy can only leave any one of them. (5) Entropy “depends on the total number of microscopic states of the system, which ultimately depends on the dynamic changes of molecular nuclear framework caused by thermal motion. Thus, ”information" is simply a product of literary justification in the three non-living, material and scientific limitations.