Full of fragrance, it has been praised by people in past dynasties and has high ornamental and medicinal value. Since Qin and Han Dynasties, medicinal plants have been included in Shennong Herbal Classic, and there are many articles scattered in various ancient books. Peony culturology, including botany, horticulture, pharmacology, geography, literature, art, folklore and other disciplines, has been formed. It is a part of China culture and folk custom, and a cell of China culture as a whole. Through it, we can gain insight into the overall characteristics of China culture, which is the phenomenon of "cultural holography". The origin of peony culture, if peony entered poetry from the Book of Songs, is about 3000 years ago. During the Qin and Han Dynasties, it was recorded in Shennong Herbal Classic that peony was a medicinal plant, and peony had entered pharmacology. In the Northern and Southern Dynasties, Yang Zihua painted peony in the Northern Qi Dynasty, and peony has entered the art field. According to historical records, Yang Di built the West Garden in Luoyang, ordered the world to grow exotic flowers and plants, and Yizhou planted 20 boxes of peony in the West Garden. Since then, peony has entered the royal garden and set foot in gardening. In the Tang dynasty, a large number of peony poems emerged, and Liu Yuxi's "only peony is the true national color, and the capital moves when it blooms" is widely known; Li Bai's "clouds want clothes and flowers to make up, and the spring breeze blows the threshold to reveal the wealth of China", which is a swan song throughout the ages. Since the Song Dynasty, besides a large number of peony poems, there have also appeared peony monographs, such as Ouyang Xiu's Luoyang Peony, Lu You's Tian Peng Peony Spectrum, Qiu Jun's Peony Honor and Disgrace, and Zhang Bangji's Chen Zhou Peony. There were more than a dozen in the Song Dynasty. Sui ordered peony, even with peony flower spectrum, Wang Youpu, Xue Fengxiang has Bozhou peony history, Hao Youguang has a peony spectrum, Su has a peony spectrum, and Peng Yu has a peony spectrum in Cao Zhou. There are many peony poems and stories scattered in various miscellaneous works and collections in the past dynasties, peony legends and stories all over the folk flower town, and peony cultural phenomena in sculpture, sculpture, painting, music, drama, clothing, daily life and diet. After liberation, peony cultivation has made great progress, peony culture has been paid more and more attention, and a large number of peony researchers and experts have appeared. Peony culture is compatible with many sciences and has a very wide composition, including philosophy, religion, literature, art, education, customs, people's feelings and other cultural fields. The cultural information provided by peony culture can reflect the basic picture of national culture and conform to the "holographic law" of the universe. Peony culture is a part of national culture. Compared with other cultures, peony culture has the following characteristics: strong biological characteristics; (2) strong pharmacological properties; (3) Strong horticultural characteristics; (4) Strong aesthetic characteristics; (5) Strong literary features; (6) Strong local flavor; (7) a strong sense of wealth; (8) Strong aftertaste of life. Peony culture is a combination of spiritual civilization and material civilization, which is true from the development history of peony at all times and at all times. Peony develops in prosperous times, and it is liked in peaceful and prosperous times, and so is peony culture. History has once again proved the profound philosophy of "national prosperity and a hundred flowers blossom". Historically, the peony in Luoyang, the ancient capital, is the richest and best. There are two traditional famous species, one is Yao Huang with yellow flowers, and the other is Wei Zi with purple flowers, which have been passed down to this day. "There is no peony in Luoyang", and peony is designated as the city flower of Luoyang, and April11-May 5 of each year is designated as "Luoyang Peony Flower Festival". During the flower show, Chinese and foreign tourists gathered to enjoy the flowers. Besides, peony is called the treasure of flowers in China.