证件主要是政府部门依据相关法律法规规定颁发,可以有效表明或证明相关的人、事物或其行为真实性的法律凭证。证件防伪技术是证件技术的核心,主要解决证件真假辨认、持证人与证件同一性确认的问题。公安现实工作中,伪造和变造证件所导致的隐匿身份、冒名顶替、隐藏行踪,实施欺诈、暴恐等违法犯罪活动是长期存在、且不断升级的,是严重危害国家安全、影响社会秩序稳定的严峻问题,不断提升证件防伪技术水平、加强证件防伪技术的应用是关系到维护国家利益和尊严、保障社会秩序和稳定、建立公开公正和谐社会的一个重要支撑与保障。 Documents are mainly government departments in accordance with the relevant laws and regulations issued by the law, can effectively show or prove the relevant people, things or the authenticity of their acts of legal credentials. Document security technology is the core of document technology, mainly to identify true and false documents identification, identification of the holder and document identity problems. In the real work of public security, criminal activities such as concealing identity, impersonating places, hiding whereabouts, carrying out fraud and terrorist acts caused by forgery and alteration of documents have long existed and are constantly escalating, which seriously endanger the national security and affect the stability of social order The continuous improvement of the anti-counterfeit technology and the enhancement of the application of anti-counterfeiting technology is an important support and guarantee for safeguarding national interests and dignity, ensuring social order and stability, and establishing an open and fair harmonious society.