1. Analgesic effect: Gastrodia elata injection has obvious analgesic effect on trigeminal neuralgia, angioneurotic headache, cerebrovascular headache and toxic polyneuritis. In recent years, clinical trials on more than 1000 patients in some medical units show that the effective rate is 90%.

2. Sedative effect: Some medical units used synthetic gastrodin to treat neurasthenia and neurasthenia syndrome, and the effective rates were 89.44% and 86.87% respectively. It can also inhibit the central excitement caused by caffeine and enhance the sleep time effect of pentobarbital sodium.

3, anticonvulsant effect: Gastrodia elata has a certain effect on facial nerve spasm, limb numbness, hemiplegia, epilepsy and so on. It can also relieve smooth muscle spasm, angina pectoris and biliary colic.

4, lowering blood pressure: Gastrodia elata can treat high blood pressure. Long-term administration can calm the liver and replenish qi, strengthen the waist and knees, strengthen the bones and muscles, increase the blood flow of peripheral and coronary arteries and protect the heart.

5, eyesight, intelligence: Gastrodia elata also has the effect of eyesight and significantly enhancing memory. Gastrodia elata has obvious protective and regulatory effects on the nervous system of human brain, and can enhance the resolution of optic nerve. At present, it has been used as brain health food or brain health medicine for altitude pilots.