三代至两汉是中国古玉纹饰形成和发展的时期。这一时期玉器的纹饰很多已承载了社会、伦理的内涵,是统治者享用的特权,因此玉器的纹饰与统治者的审美要求、审美情趣息息相关。每个时代的社会背景不同,其审美风尚与要表达的审美意蕴就有所区别,所以每个时代的玉器纹饰也不一样。了解玉器纹饰对于我们了解某个时代的文化背景、人文思潮都有所裨益,而且也是鉴定玉器的重要途径之一。学者们对此也做了大量 Three generations to two Han is the period of the formation and development of ancient jade ornaments in China. Many jade ornaments in this period have carried the social and ethical connotations and are the privilege enjoyed by the rulers. Therefore, the jade ornaments are closely related to the aesthetic requirements and aesthetics of the rulers. Each era has different social backgrounds, and its aesthetic style differs from the aesthetic meaning to be expressed. Therefore, jade ornaments of different periods are not the same. Understanding of jade ornaments for our understanding of the cultural background of a certain era, cultural trends have benefits, but also one of the important ways to identify jade. Scholars have also done a lot of this