The word "ancient jade sealing the sky" is also called "Mo Tian yu zhang". This kind of seal is a high-end product specially customized for famous calligraphers. Made of first-class natural jadeite, the production process is complicated. Most of them are handmade. The word "Tian" in seal cutting is usually created and designed by calligraphers according to their personal aesthetic style and understanding of the word "Tian" in order to achieve unique effects.
In modern society, ancient jade seals have become one of the representatives of cultural collections and artworks. Some museums and cultural institutions have collected a large number of excellent ancient jade seals for people to appreciate and study. At the same time, some cultural lovers are also keen to collect and study ancient jade seals, so as to understand the charm and characteristics of China traditional culture. Today, the ancient jade seal has become an indispensable part of China traditional culture and an important heritage of Chinese culture.