Dendrobium officinale is a perennial epiphytic herb of the Orchidaceae family. It grows on semi-shady and humid rocks in mountains with an altitude of 1,600 meters. It likes a warm and humid climate and a semi-shady and semi-sun environment, and is not cold-tolerant. Generally, they can withstand low temperatures of -5℃. Dendrobium can be divided into dozens of types, such as yellow grass, golden hairpin, horse whip, etc. Dendrobium officinale is the best dendrobium. It is named because its skin is iron-green. Dendrobium officinale has unique medicinal value, and its stems are used as medicine. The Chinese name of Dendrobium is Dendrobium, which is a yin-tonifying medicine among tonic medicines. According to the "Chinese Pharmacopoeia": it benefits the stomach, promotes fluid production, nourishes yin and clears away heat. The tender stems of a few species such as Dendrobium officinale are twisted into spiral or spring shapes and dried in the sun. The product is called earring dendrobium, also known as maple bucket. At present, the only Dendrobium officinale approved by the General Administration of Quality Supervision, Inspection and Quarantine that is protected as a geographical indication product is Dendrobium officinale from Tianmu Mountain in Lin'an, Zhejiang Province.

Dendrobium officinale, known as the first of the nine great jelly grasses in China, is used as a health care product It is the best product and has been highly praised by doctors of all ages. Because the natural growth conditions of Dendrobium officinale can be harsh, and high human demand has led to over-exploitation, wild Dendrobium officinale resources are currently very scarce. As early as the 1980s, Dendrobium officinale was listed as a rare and endangered medicinal plant under national protection. Tianmu Mountain, located in Lin'an City, a national eco-tourism city, is a national nature reserve with good natural environment protection and rich wild species resources. The mountainous area is rich in tea, dried bamboo shoots, medicinal materials, bamboo, etc. Dendrobium officinale is the specialty of Tianmu Mountain. specialty.

Tianmu Mountain is the origin of Dendrobium officinale. The unique geography, climate, hydrological conditions and forest effects of Tianmu Mountain have formed special ecological conditions and created an ideal ecological environment for Dendrobium officinale. The growth of Dendrobium officinale in Tianmu Mountain The growth cycle is much longer than that in other production areas, and can even reach 4-5 times the growth cycle in some production areas, and the medicinal value is greatly improved. The General Administration of Quality Supervision, Inspection and Quarantine's "Announcement on Approving the Implementation of Geographical Indication Product Protection for Dendrobium officinale from Tianmu Mountain" content: According to the "Regulations on the Protection of Geographical Indication Products", the General Administration of Quality Supervision, Inspection and Quarantine organized a review of the application for geographical indication product protection of Dendrobium officinale from Tianmu Mountain. After passing the review, it is now approved to implement geographical indication product protection for Dendrobium officinale from Tianmu Mountain.