The red river lanterns have a very long history of use in the folk. As early as the 1930s, the Miao Chinese medicine practitioners used the red river lamp and the whole plant to treat stroke and hemiplegia. It was passed down as a myth in the folk. In the minority areas of Honghe Prefecture, people used to use wild scented flowers to scramble eggs or boiled egg soup. Some of them used hot red flowers to make soup and hot eyes. In order to facilitate the utilization of the red river lamp scented plant resources, the ancestors used simple methods to transplant the wild red river lamp buds to their homes in front of the house or in the garden, so that they can be used to directly brew the offspring tea. Legend has it that it can prevent and treat heart disease and eye disease in the elderly. Called heart disease and glaucoma in modern medicine.

It is also known as Erigeron breviscapus (Vant.) Hand. – Mazz., breviscapine contained in breviscapus, sputum caused by occlusive cerebral thrombosis, coronary heart disease , angina pectoris and rheumatic diseases have unique effects. There are not many records of the lamp buds in the past, which was first recorded in the Ming Dynasty medical scientist Lan Mao (1397-1476), "Minnan Materia Medica", also known as the lamp 盏 盏 ,, the original wild plant medication, is the traditional medicine of the Miao nationality in Yunnan Province, in the folk It is also widely circulated. In the later period, the "Chinese Dictionary of Traditional Chinese Medicine", "The Original Colors of Chinese Medicine Plants" and "Chinese Pharmacopoeia" were recorded. Although the Red River Lantern Festival is a traditional medicine used in Honghe Prefecture, there are not many written records. The original medicine was first collected in the first volume of "Red River Chinese Herbal Medicine" published in 1971. The red river lanterns have a very long history of use in the folk. As early as the 1930s, the Miao Chinese medicine practitioners used the red river lamp and the whole plant to treat stroke and hemiplegia. It was passed down as a myth in the folk. In the minority areas of Honghe Prefecture, people used to use wild scented flowers to scramble eggs or boiled egg soup. Some of them used hot red flowers to make soup and hot eyes. In order to facilitate the utilization of the red river lamp scented plant resources, the ancestors used simple methods to transplant the wild red river lamp buds to their homes in front of the house or in the garden, so that they can be used to directly brew the offspring tea. Legend has it that it can prevent and treat heart disease and eye disease in the elderly. Called heart disease and glaucoma in modern medicine. The Kunming Institute of Medical Biology, Chinese Academy of Medical Sciences and other units have carried out research and development on the systematic botany, pharmacology, toxicology and pathology and production technology of Erigeron breviscapus. The results show that the medicinal taste is sweet and warm, and the main function is dispelling cold. Table, hurricane dehumidification, promoting blood circulation and relieving pain, eliminating product and relieving pain. It is used to treat cardiovascular and cerebrovascular diseases such as hypertension, cerebral hemorrhage, cerebral thrombosis, coronary heart disease, and stroke and hemiplegia. "Lianghuanhuai retinal nerve cells" published in "China Medical News" is to study the effects of caffeic acid, scutellarin and wild baicalin in breviscapine on the survival of retinal nerve cells cultured in vitro. The enamel flower extension provides an experimental basis for the treatment of glaucoma

Red River Lantern Flower Quality Technical Requirements (1) Variety. The genus Asteraceae is a genus Erigeron breviscapus. (2) Site conditions. Within the protected area, the altitude is 1700m to 2500m, the plough layer is ≥20cm, the soil is red soil and yellow soil, the soil organic matter content is ≥2.0%, the pH value is 5.5 to 7.0, the soil aggregate structure is good, the permeability is good, and the irrigation and drainage is convenient. (3) Cultivation management. 1. Live planting: (1) Live time: November to December. (2) Seeding method: Seeds of the same type of mature red river lanterns are harvested. (3) Seedbed finishing: the farmer's fertilizer is 30t/hm2, and the surface is flat. (4) Management of seedbed bed: keep the wet surface moist, and prevent pests and diseases. 2. Transplanting: (1) Seedling breeding: 1 Seedling time: February to March. 2 Seeding method: Harvest seeds of the same type of mature red river lanterns. 3 seedbed finishing: the farmer's fertilizer is 30t/hm2, and the surface is flat. 4 seedbed management: keep the wet surface moist, and prevent pests and diseases. (2) Transplanting: 1 planting time: May to June. 2 planting density: ≤ 250,000 plants / hm2. 3 planting depth: 4cm to 5cm. 4 planting method: using hole planting, pouring enough root water. (3) Fertilizer and water management: 1 base fertilizer: the farmyard manure per hectare is not less than 30,000 kg. 2 Irrigation and drainage: using sprinkler irrigation or artificial watering, avoid flood irrigation. Drain in time to prevent water accumulation. (4) The red river lamp 盏 flower planting plot shall not be continuous for three years. (4) Harvesting and processing. 1. Harvesting period: When the red river lamp 达到 flowers reach the bud to full bloom period, the sputum ≥ 素 ≥ 2.0% can be harvested. Harvesting should be carried out at noon on sunny days. 2. Drying: (1) Using the drying method, spread the fresh stencil on the clean floor evenly, the thickness is not more than 5cm, and dry it in the sun until it is dried. Avoid drying when drying. (2) Drying in a roasting shed at 50 ° C to 80 ° C to a moisture content u003c 12% using a drying method in a roasting shed. 3. Packing and storage: Pack in the special packaging bag according to the specifications, and mark the traceability. The storage warehouse is kept clean, ventilated and dry to prevent rain and sun. (5) Product quality characteristics. 1. Sensory features: (1) Appearance: This product is 15cm to 50cm long. Stems are cylindrical, 0.1cm to 0.2cm in diameter, yellow-green or light brown, with fine longitudinal ridges, white pubescent; crisp, yellow-white in cross section, medullary or hollow. Basal leaves numerous, clumped, leaf blade oblanceolate or spatulate, green, ca. 5 cm to 20 cm, width 1.0 cm to 3.0 cm; pubescent pubescent, sessately sessately Leaves alternate, spoon-shaped inverted lanceolate; ligulate purple or lavender, tubular corolla pale yellow. (2) Taste smell: slightly fragrant, spicy, slightly bitter. 2. Physical and chemical indicators: Unit:% Project indicator Red River lamp 盏花全草红河灯盏花半草灯盏乙素, ≥2.02.5 Moisture, ≤12.012.0 impurity, ≤5.03.0 total ash, ≤15.015.0 acid insoluble ash , ≤8.08.0 water extract, ≥18.018.0 alcohol extract, ≥7.07.0 Note: Except for moisture and impurities, the items listed above are based on dry products.

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The producers within the scope of protection of the red river lanterns and placards may submit an application to the Honghe Prefecture Quality and Technical Supervision Bureau of Yunnan Province for the use of the “Special Marks for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.