According to the different uses of jade, jade can be divided into jade weapons, jade tools, ritual jade, buried jade, jade ornaments, jade articles and jade ornaments. Jade weapons and tools-With the development of bronze manufacturing industry, in Shang Dynasty, most jade weapons and tools have lost their practical value and become symbols of status and etiquette; Jade ritual vessels-As early as the Neolithic Age, China ancestors had used jade ritual vessels extensively; Buried jade-buried jade, also known as buried jade, refers to the jade made by the ancients specifically to preserve the body, not all of which are buried with the jade; Ornamental jade-Ornamental jade is an important kind of ancient jade, which was hung on clothes or carried around by the ancients for decoration. It is small, exquisite, light and of good quality. Because jade ornaments are a symbol of the identity and accomplishment of the ancients, there have been many treasures with excellent materials and exquisite carvings since ancient times, which are the focus of jade collection; Jade-Jade was first seen in Shang Dynasty, but it was not until the Ming and Qing Dynasties that it became the mainstream product of jade making because of the difficulty in making it. Jade vessels are numerous and varied; Jade ornaments-Jade ornaments, also known as ornamental jade, mainly include jade carving animals, jade figures, big jade plates, jade screens, Yushan and Yuruyi.

Ancient people wore jade, not as a simple decoration. Yu Pei not only shows the external beauty, but also shows people's spiritual world and cultivation, that is, morality. At the same time, it also has the function of reflecting people's identity, feelings, manners and language communication. In ancient times, a gentleman must wear jade, that is, he was always required to demand himself by the nature of jade, to regulate people's morality and limit people's behavior by singing the voice of jade.

Today, jewelry and jade ornaments are still regarded as a symbol of luck and social status, and have gradually become an important part of expressing personal character, decoration, taste and demeanor, and make the overall clothing look more beautiful and glamorous in appearance. There are many varieties and styles of modern jade ornaments, including: jade beads, jade bracelets, jade pins, jade pendants, inlaid ornaments, jade rings, gold inlaid jade products, jade belts and so on. Besides jade materials such as jade, agate and secret jade, jade, green gold, chicken liver stone, malachite, lindong stone, coral and crystal are also used. Specifications and styles are constantly being renovated, and single bead strings include flat strings, pagoda strings, colorful strings, shaped strings, conformal strings and so on. These jewels and jade ornaments, through careful collocation, will give you a perfect combination of life and clothing.

The materialization of jade grade is as follows:

1) Since the middle Neolithic Age, many exquisite jade articles, such as Liangzhu culture, have been unearthed in the tombs of clan leaders.

2) During the Shang and Zhou Dynasties, the above phenomenon was common. For example, the "handle-shaped ornaments" in Erlitou culture only appear in large tombs.

3) During the Spring and Autumn Period and the Warring States Period, there was a rule to use "Liu Rui".

4) In the pre-Qin period, "Jiuding" symbolized the monarchy; After the Qin dynasty, the imperial seal became the symbol of the monarch; Qin Shihuang made a national seal, and later emperors thought that getting this national seal was the only thrill. The system of using jade as seal has been followed until the Qing Dynasty. Most of the 25 precious seals identified by Emperor Qianlong were made of jade.

5) After the Han Dynasty, it was stipulated that only those who reached a certain level were entitled to obtain what kind of imperial seal.

6) The system of officials using jade was clearly stipulated in the Tang Dynasty.

B, jade has been endowed with moral and cultural concepts, which are embodied in the following aspects:

Jade's moral and cultural concept developed in the Western Zhou Dynasty and originated from folk customs. Advocated by Confucianism and conceptualized by thinkers, it is more vital; Clever use of the ruling class in past dynasties; Be accepted by the people. This is an important reason for the longevity of jade.

"A gentleman is better than jade" is the Confucian view of using jade. In ancient times, jade symbolized noble morality in ethics.

In Xu Shen's Shuo Wen Jie Zi in the Eastern Han Dynasty, "the beauty of jade has five virtues." It means:

"Warm": the luster is moist and soft; It symbolizes benevolence and morality, benevolence.

"from the inside out, you can know the middle": jade is consistent inside and outside; Symbol is what it looks like, meaning.

"Its voice is comfortable and clear, symbolizing wisdom, foresight and wisdom."

"indomitable": hard texture; It symbolizes that you would rather die than surrender.

"Sharp and inexpensive without branches": the fracture is angular, but not very sharp; It symbolizes honesty, integrity and cleanliness.

Among the words created by our ancestors, there are more than 200 words related to jade, most of which are beautiful and noble.

Such as: India, China and Jue. Another example is: Jade Man: Beautiful Girl; Raymond: A gentle young man; Tingting Yuli: a beautiful person; Jade is clean and ice is clear: pure in heart, noble and so on.

In the eyes of the Chinese nation, jade is a beautiful and noble thing, so most objects made of jade are elegant and solemn.

Spiritually, jade is regarded as a symbol of nobility, purity, friendship, auspiciousness, peace and beauty. Jade has magical functions, which can ward off evil spirits and protect the body, and some can also be used as medicine to treat diseases.