Seven things to open the door, rice, oil, salt, sauce and vinegar tea, as an intangible cultural heritage of Luoyang, is a necessary Luoyang tea for Luoyang people to visit relatives and friends and use for their own use, because she chooses edible peony mother white as raw material, fires it with ancient wood, bakes it in the kiln for three days and three nights, and bakes it at a regulated temperature, thus retaining the original flavor, flower shape and nutrition of peony. Peony itself is a traditional Chinese medicine for nourishing liver and blood. A flower is poured into a cup of tea, brewed with boiling water, and reborn from nirvana, which can satisfy people to watch peony bloom at any time and place, and drink tea at the same time for health preservation and health care. She is the proud ceremony of Luoyang people.

Gao, a professor at Beijing University of Chinese Medicine, pointed out in the column "The Road to Health" in March 14 that peony has the functions of soothing liver, promoting blood circulation and beauty beauty, and suggested that peony should be used as a soothing liver drink.