The article introduced the definition of Clausius entropy and Boltzmann s entropy,then proved Clausius entropy from the Boltzmann s entropy,and explained the unity of two kinds of entropy.

• 文章先分别介绍了克劳修斯熵与玻耳兹曼熵的定义,然后以玻耳兹曼系统为例,从玻耳兹曼熵到克劳修斯熵进行了推导,从而论述了两种熵的统一。