Leishan Abandon Tianma, the main producing area is in the Leigong Mountain Nature Reserve at an altitude of 1200 meters to 1700 meters. Leishan U-Tang Tianma benefits from the unique natural ecological environment. The gastrodin content is as high as 0.86%. The gastrodin is far more than the 0.2% content specified in the Chinese Pharmacopoeia. All other indicators are higher than the national standards. It is used to treat headache, dizziness, hurricane and pain relief.

Technical requirements for the quality of Leishan Wubang Gastrodia elata. Second, the site conditions are 1200m to 1900m above sea level. The mountain forest vegetation is evergreen broad-leaved forest, evergreen and deciduous broad-leaved mixed forest belt, with a shade of 65% to 80%. The soil is mountain yellow brown soil, yellow soil, surface humus layer ≥ 4cm, soil layer thickness ≥ 40cm, pH value 4.5 to 6.0, organic matter content ≥ 6.0%. Third, cultivation management Breeding and retention of hemp species: (1) Sexual reproduction Breeding: Select the arrowhead hemp that is originally produced in Leishan County and has a weight of more than 100g, oval, thick and short, strong and strong. In March, the seeds will be planted under the seeds, and artificially pollinated after flowering. After the fruit is ripe, it will be mixed with the germinated bacteria. After 18 months, take rice and white hemp seeds. (2) Asexual reproduction: Take white hemp as a cultivar during the period from November to February, and retain rice bran. 2. It is strictly forbidden to use wood and leaves with oil as a fungus. Sexual reproduction is cultivated before the end of April, and the cultivation of the ring-shaped fungus, the bacterial shoots and the germinated leaves; the asexual reproduction is cultivated before the end of August to cultivate the honey fungus and the fungus. 3. Cultivation: The cultivation nest is 100cm to 150cm in length, 50cm to 60cm in width, 15cm to 20cm in depth, and the spacing of the bacteria is 3cm to 5cm. The spacing of the nest depends on the topography, leaving the drainage ditch. Sexual reproduction cultivation is from June to mid-July, and asexual reproduction is from November to February. When planting, use humus soil as a filling material, and cover the soil with litter. 4. Management: Mowing in the heavy drought period covers the moisturizing, clearing the ditch and preventing the stain during the rainy season. It takes more than 5 years to use the old nest cultivation. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, harvesting and processing 1. Harvest: Mining from early November to February of the following year. 2. V. Quality characteristics 1. Sensory features: oval, oval, full and strong, no hollow, dark brown or yellowish brown surface, ring pattern, round, dense and clear. Gas-specific, sweet, chewy and sticky. 2. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the scope of Leishan U-Tian Tianma production area may apply to the Quality and Technical Supervision Bureau of Leishan County, Guizhou Province for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Guizhou Provincial Bureau of Quality and Technical Supervision and reported to the General Administration of Quality Supervision, Inspection and Quarantine for approval. . The detection mechanism of Leishan Wubang Tianma is selected by the Guizhou Provincial Bureau of Quality and Technical Supervision in the inspection institutions that meet the qualification requirements.