Type: (1) According to shape: round, square, rectangle, sunflower, diamond, chicken heart, shield, bell, tripod, mirror with handle, etc. Most of them were round mirrors before the Tang Dynasty. (2) According to patterns: 1, Yin quotient: pulse mirror, heavy string radiation mirror, parallel line mirror, etc. 2. Western Zhou Dynasty: The plain mirror is the main mirror, and there are no heavy ring mirrors and bird and beast mirrors at the end; 3. Spring and Autumn Period and Warring States Period: plain mirror, pure land mirror, mosaic mirror, mountain mirror, diamond mirror, animal mirror, gluttonous mirror, hunting mirror, flat mirror, moire mirror, continuous arc mirror, painted mirror, transparent mirror, gold and silver staggered mirror, geometric mirror, multi-button mirror, etc. 4. Han Dynasty: Pan Fan Mirror, Pan Fan Mirror, Four-flower Mirror, Inscription Mirror, Grass Leaf Mirror, Nebula Mirror, Bo Giant Mirror, Bird and Beast Mirror, Continuous Arc Mirror, Persimmon Mirror, Kui Mirror, Dragon and Tiger Mirror, Deformed Four-leaf Dragon and Tiger Mirror, Animal Mirror, Portrait Mirror, etc. 5. Three Kingdoms, Jin, Southern and Northern Dynasties: animal mirror, portrait mirror, bat-shaped persimmon tattoo mirror, persimmon eight-phoenix mirror, four-leaf eight-phoenix mirror, god bird and beast mirror, simplified double mirror, etc. 6. Sui and Tang Dynasties: Four Gods Zodiac Mirror, Four Gods Mirror, Ruishou Mirror, Ruishou Grape Mirror, Ruishou Bird Mirror, Broken Flower Mirror, Treasure Flower Mirror, Group Flower Mirror, Fairy Story Mirror, Dragon Mirror, Double Lion Mirror, Flying Fish Mirror, Double Rhinoceros Mirror, Eight Diagrams Mirror, Symbol Inscription Mirror, Swastika Mirror, Plain Mirror, etc. 7. Song Dynasty: bronze inscription mirror, auspicious inscription mirror, flower mirror, Miluo tree mirror, four gods mirror, bird-watching mirror, landscape mirror, fairy story mirror, bagua mirror, lotus brocade mirror, Shuanglong mirror, Pisces mirror, Ji Ming inscription mirror, etc. 8. Liao: even tattoo mirror, bee butterfly hive tattoo mirror, couple peony mirror, four-leaf four-flower mirror. 9. Gold: Pisces Mirror, Dragon Mirror, Shuangfeng Mirror, Ruishou Mirror, Chrysanthemum Mirror, Dading Bao Tong Qian Wen Mirror, Fairy Tale Mirror, Ocean Mirror, Plain Mirror, etc. 10, Yuan Dynasty: four-year-old Ming Shuanglong mirror, Shuangfeng mirror, Pisces mirror, fairy story mirror, 28 Zodiac mirror, astrological gossip mirror, bell-shaped "Yuan" Qian Mingwen mirror, furnace-shaped wave mirror, literary mirror, eight animals and eight birds bo ju mirror, etc. 1 1, Ming Dynasty: Dragon mirror, dragon mirror. 12, Qing dynasty: Shuanglong mirror, dragon and phoenix mirror, lion rolling hydrangea mirror, five bats double happiness mirror, ladies balcony mirror, children's mirror, three friends mirror, Pisces mirror, writing mirror, etc. In addition, there are imitation mirrors, such as imitation Song mirror, imitation gold mirror, imitation mirror and imitation Qing mirror. As for the collection, if it is an investment with sufficient financial resources, you may wish to choose one with strong artistry and large appreciation space. At present, the Tang mirrors in the Warring States period are favored, while the bronze mirrors in the Ming and Qing Dynasties are of low value. If it is a kind of enjoyment, you can choose a series and a special series. Such as a special collection of a certain shape, or some kind of decoration. There are so many beautiful things in the world that you can't have them by yourself. I'm glad I like it.