the wild gastrodia elata in Yulong Snow Mountain is born in the alpine jungle at an altitude of 1-25m. Sweet and mild in nature, it has the effects of calming the liver and suppressing yang, calming the wind and relieving pain, expelling wind and dredging collaterals. It can be used for treating dizziness, dark eyes, headache due to head wind, neurasthenia, insomnia, numbness of limbs, hemiplegia of hands and feet, mouth and eyes askew, epilepsy and convulsion in children. 5-1g decoction, or grinding into pills and powder, or mixing with eggs and animal brains, steaming, or stewing with pig's trotters and chicken for medicinal food, or soaking in wine.