Gastrodia elata is a kind of precious traditional Chinese medicine. It is mainly used in clinic for headache, dizziness, limb numbness, children's convulsion, epilepsy, convulsion, tetanus and other diseases. Gastrodia elata is also one of the commonly used medicinal materials for medicinal diet and food supplement. For example, Gastrodia elata stewed chicken can be used for dizziness and headache caused by hyperactivity of liver Yang, limb numbness and pain caused by rheumatism, stroke paralysis, neurogenic migraine, dizziness, headache and insomnia caused by neurasthenia. There is also Gastrodia elata meat slice soup, which is convenient for cooking. It can nourish the latent Yang, calm the liver and calm the wind. It is suitable for dizziness, headache, etc. Now it is mainly used for hypertension, otogenic vertigo, etc. Gastrodia elata can play an important role in the treatment of dizziness, insomnia and other diseases due to itsGastrodin。

    Recent pharmacological studies have shown that gastrodin can relieve pain, sedate, increase cerebral blood flow, reduce cerebral blood flow resistance, especially increase the blood supply of vertebrobasilar artery and improve the blood supply of labyrinthine artery and inner ear. It also has a wide range of pharmacological activities in the central nervous system, cardiovascular system and immune system. Gastrodin injection is a kind of clinical medicine developed with gastrodin as raw material. Clinically, it is widely used in neurasthenia, neurasthenia syndrome and vascular nerve headache (such as migraine, trigeminal neuralgia, greater occipital neuralgia, etc.), as well as brain traumatic syndrome, vertigo such as Meniere's disease, drug-induced vertigo, traumatic vertigo, sudden deafness, vestibular neuritis and vertebrobasilar insufficiency.

    Gastrodin can improve arterial compliance, reduce peripheral vascular resistance, and reduce hypertension caused by vascular compliance; It can affect coronary blood flow, resist the vasoconstriction effect caused by adrenaline, prevent thrombosis and improve microcirculation disorders. Gastrodin can inhibit capillary permeability, affect early exudation of inflammation, reduce cell necrosis after acute myocardial infarction, reduce myocardial oxygen consumption, promote energy metabolism of myocardial cells, and protect myocardial cells. At the same time, gastrodin can improve the blood supply insufficiency of anterior inferior cerebellar artery, posterior inferior cerebellar artery, labyrinthine artery and inner ear, protect the nervous system and promote the energy metabolism of myocardial cells.