1, gastrodia elata is a Chinese herbal medicine, which has sedative and analgesic effects, anticonvulsant effects, can increase cerebral blood flow, reduce cerebrovascular resistance, slightly contract cerebral vessels, and has protective effects on myocardial ischemia.

2. Gastrodia elata is often used to treat headache, dizziness, numbness of limbs, convulsion, epilepsy, tetanus and other diseases. Gastrodia elata is also a common over-the-counter medicine for arthralgia and a Chinese patent medicine, which is very effective for trigeminal neuralgia, angioneurotic headache, cerebrovascular disease headache, toxic polyneuritis, waist and leg pain and so on.