拥有和使用社会保障号码(以下简称社保号码)成为大多数人日常生活不可或缺的一部分。尽管社保号码有着非常重要的规范性作用,但人们对其仍了解甚少。从其本源意义上讲,社保号码在各国之间具体构成有异,但都包含技术和法律层面的规范意义。概述之,社保号码有以下几个方面的作用:一是界定参保身份。每个参保人对应着唯一的社保号码,反之亦然;且依社保制度需 Possession and use of social security numbers (hereinafter referred to as social security numbers) have become an indispensable part of the daily life of most people. Although the social security number has a very important normative role, people still do not know much about it. From the perspective of its origin, the specific composition of social security numbers varies from country to country, but both contain the normative meanings of technical and legal aspects. In summary, social security number has the following aspects: First, define the insured identity. Each insured person corresponds to a unique social security number, and vice versa; and according to the social security system needs