There are many different forms of arm accessories in the Tang Dynasty. Their development is due to different times, cultures, religions, and nearby ethnic minorities. Accessories and clothing are closely related, thus clothes in the Tang Dynasty also influence the changes of arm accessories. There are three continuous periods of development: early, middle, and late, each with its own distinctive characteristics. The different forms of the arm accessories will be analyzed on the basis of the social and cultural background during the Tang Dynasty. The analysis will help to gain a better understanding of modern accessories.