纹章学是始自中世纪的一门研究纹章符号的独立学科,它的核心内容纹章最初是战争中辨别敌我的从属性图形,在历史演进的过程中,在其自身的文化稳定性和社会适应性下最终由广泛流行的单一图形演化、发展、完善为系统而成熟的主体性形象识别符号理论体系。自中世纪起盛行于欧美国家众多个人、家族和团体、机构中用于通过纹章的设计和使用树立自身形象。现当代很多大学,尤其是创建于中世纪的古老大学的校徽都是基于或直接搬用其创始人的纹章, Heraldic is an independent discipline from the Middle Ages to study heraldic symbols. The core content of the heraldry was originally the subordinate figure that distinguishes the enemy from the enemy in the war. In its historical evolution, its hegemony in cultural stability and Under the social adaptability, the system evolves and develops and perfects the theoretical system of subjective image identification symbol matured systematically under the widespread evolution of a single graphic. Since the Middle Ages, many individuals, families and groups in Europe and the United States have been prevalent, and their organizations are used to establish their own image through the design and use of the heraldic designs. Many modern and contemporary universities, especially the ancient university founded in the Middle Ages, are all based on the emblem of their founders.