There were written commandments in Qing Dynasty, such as Fu, Lu, Shou, Xi, Fa and Ji. Similar writing rings were called "signet rings" in ancient Europe. The ring face is wide and large, engraved with the owner's initials or family emblem. There is also a wide ring engraved with Arabic prayers or praises, which is associated with religion and national beliefs. As for signature rings in Europe, they began to appear almost in the Middle Ages.