The history of jade in China can date back to the Shang Dynasty. For thousands of years, jade has been regarded as the most precious stones. In ancient times, jade was confined to ritual objects only. In imperial society jade was a symbol of wealth and social status. It is widely believed that jade can ward off the evil and protect the wearer from disaster. Wearing jade jewelry can not only help to make the wearer more beautiful, but also promote the health of the wearer. There are various kinds of jade in China, among which the most famous one is Hetian Jade produced in Xinjiang.