Jewelry made of pearls, that is, pearls are strung together with thread and worn between necklaces. Natural pearl necklace has a certain protective effect. Commercially available products are divided into two categories: one is natural pearls; A kind of cultured pearl called "cultured pearl" is formed by putting raw concha Haliotidis particles or sand in mussels for several years. Pearl is a commonly used Chinese medicine. It was first seen in Kaibao Materia Medica in the Song Dynasty. The secretion produced by pearl mussels and snails is layered.
In medicine, pearls have the functions of calming the nerves, relieving convulsions, clearing away heat and nourishing yin, improving eyesight and detoxifying, closing the mouth and promoting granulation. Especially for women who are irritable during menstruation and menopause, wearing pearl necklaces can play a better role in regulation and relaxation. It can also prevent and treat chronic pharyngolaryngitis and thyroid gland, and at the same time make the skin extraordinarily smooth and delicate. Massage the skin gently with pearls in the morning and evening, and it also has the functions of skin care, beauty, freckle removal and wrinkle removal.
In ancient times, pearls were regarded as a symbol of power and wealth because of their elegant and holy character and confusing life experience. Chinese and foreign emperors' robes, robes and armor are all symbols of the supreme power of the country. In history, many countries have made laws to make pearls a patent for members of the royal family.
The rulers also launched bloody wars again and again for pearl resources. As early as 3700 years ago in Shang Dynasty, pearls and tortoise shells were tributes. Minister Wang Tang once suggested making a "four-way dedication order": "Because of the south ... please make pearls (pearls) and tortoiseshell ..."