Mother-of-pearl is a kind of beautiful material, which can be inlaid and decorated on lacquerware to increase the level of objects. 1957, a mother-of-pearl bronze mirror with dragon pattern was unearthed from the Tang tomb in Sanmenxia City, Henan Province. It is carved with thick mother-of-pearl into embossed animal patterns, and only one dragon is used to form the patterns. The shape is simple, concise and general. A beautifully crafted "mother-of-pearl mirror with a diameter of 25 cm" was unearthed from Tang Tomb No.76 in Luoyang. The mirror is carved with flowers and birds, all of which are depicted with thin lines. It shows the scene of seclusion and enjoyment. The bright moon on the treetops shines on the free-swimming birds, and the old man playing the piano and petals are flying all over the sky. The whole image is vivid and richly decorated. China's mother-of-pearl flower-and-bird mirror, mother-of-pearl rosewood pipa, mother-of-pearl rosewood Ruan Xian, etc. They are all in Zhengcang Hospital in Japan. One of the most exquisite five-stringed pipa, according to the archaeology of Zhengcangyuan, "has a comprehensive back and a cloud-shaped mother-of-pearl butterfly flower, which is a treasure in Chinese. The flower heart is painted with gold thread in red and blue powder and covered with amber tortoise shell. In its shallowness and different transparency, it shows the beauty of colorful words.