Gastrodia elata, scientific name of traditional Chinese medicine. It is the dried tuber of Gastrodia elata. Belongs to Lancome. The plant is tall, the rhizome is oval or inverted cone, and there are many dense scaly sheaths. Fleshy stems are yellow; No green leaves; Flowers orange or light yellow, sepals and petals United; Capsule oblong with short peduncle; Many seeds are small and dusty; The flowering and fruiting periods are May, June and July. The ancients thought gastrodia elata was magically growing. If God gives it, it looks like shoes made of ancient hemp, so it is called Gastrodia elata. Sweet, flat; Liver meridian. It is a traditional Chinese medicine with the same origin of medicine and food, which can be used as medicine as well as medicine. Gastrodia elata originated in Shennongjia, the Three Gorges of the Yangtze River in China, and also distributed in Shaanxi, Sichuan, Guizhou, Yunnan and Hubei. Gastrodia elata is mostly born in the humid area under the forest in the middle and high mountainous areas; Like cool and humid climate; Sandy loam and humus with rich organic matter, loose texture, good drainage and strong water retention should be selected for cultivation; Only in the presence of Armillaria mellea can it grow, develop and reproduce. Gastrodia elata generally adopts tuber propagation or seed propagation. In 20021year, Gastrodia elata was listed as a national second-class protected plant in the List of National Key Protected Wild Plants. Gastrodia elata can treat dizziness, numbness of limbs, infantile convulsion, etc., and has the function of "eliminating all diseases and prolonging life", which is recorded in Shennong Herbal Classic and Compendium of Materia Medica.

Gastrodia elata is excavated from the beginning of winter to the following year, washed immediately and evaporated at low temperature. The surface is yellowish white to yellowish brown, with longitudinal wrinkles and horizontal ring lines with multiple rounds of latent buds, and sometimes brown pearl stalks can be seen.

It has the effects of calming wind and relieving spasm, calming liver and suppressing yang, expelling wind and dredging collaterals.

1, calming wind and relieving spasm: Gastrodia elata is sweet in taste and flat in nature, and has the effect of calming wind and relieving spasm. Regardless of the deficiency of cold and heat, it can be used to treat hyperactivity of liver wind, convulsion, epilepsy and convulsion.

2, calm down the liver yang: Gastrodia elata entering the liver meridian can not only dispel wind and relieve spasm, but also calm down the liver yang, which is an important drug for treating dizziness and headache. If stroke, convulsion, head wind and dizziness are all liver-gallbladder wind syndromes, we should treat them accordingly.

3, expelling wind and dredging collaterals: Gastrodia elata is sweet, flat, enters the liver meridian, has the effect of expelling wind and dredging collaterals, and is often used for stroke, hand and foot paralysis and muscle soreness; The woman is arthralgia due to wind, and her hands and feet are paralyzed; Rheumatic pain, not suitable for joint flexion and extension.

Headache, dizziness and migraine

Suitable; Heat arthralgia, body fluid deficiency, blood deficiency and yin deficiency.

Taboo.

Yufeng grass root

Gastrodia elata and Yufeng grass root have opposite effects. Gastrodia elata has the function of calming wind, and Yufeng grass root has the function of protecting wind. The two have opposite effects and should not be eaten together, which may lead to intestinal knot.

Edible method

stew

Adding gastrodia elata, yam and other medicinal materials to stew chicken and duck soup has certain nourishing, expelling wind and dredging collaterals.