一社会的存续和发展都是一个动态的历史演变过程。这一历史过程纷纭繁复,而社会流动则是其中一种常见的社会现象。社会流动是指人们在社会关系结构体系中,社会地位的变动过程。有些学者认为这个由英文(social mobility)翻译过来的学术名词,不能准确地反映或表述它所包含的实在内容,而称之为“社会位移”;也有人称之为“社层流动”。由于学者们对这一概念称谓的分歧并不曾影响它所涵指的具体内容,因此本文拟按照中国社会学者最普遍的用法,仍称之为“社会流动”。社会流动作为社会关系结构的一个变量,与阶级关系的变动有着因果联系,尤其与阶级分化相关性甚强。但二者并不相同,也不能相互取代。阶级关系是社会关系中 The existence and development of a society is a dynamic historical evolution. This historical process is complicated and complicated, and social mobility is one of the common social phenomena. Social mobility refers to the process by which people change their social status in the social structural system. Some scholars think that this academic term translated from social mobility can not accurately reflect or represent the real content it contains, and is called “social displacement.” Some people call it “social mobility.” “. Because scholars’ disagreement on this concept appellation does not affect the specific content it refers to, this article is still referred to as ”social mobility" according to the most common usage of Chinese sociologists. Social mobility, as a variable in the structure of social relations, has a causal link with changes in class relations, especially in relation to class differentiation. But the two are not the same, nor can they replace each other. Class relations are social relations