1, Gastrodia elata is sweet and flat in nature, and has the functions of calming wind, relieving spasm, calming liver yang, expelling wind and dredging collaterals. Gastrodia elata is used to treat hyperactivity of liver wind, convulsion and epilepsy because of its sweet and moist taste, warm nature and good calming wind and spasmolysis.

2. Gastrodia elata can not only soothe the liver wind, but also calm the liver yang, which is an important drug for treating dizziness and headache. In addition, Gastrodia elata also has the functions of expelling internal and external wind and dredging meridians, and can be used to treat diseases such as hand and foot paralysis, numbness of limbs and rheumatic joint pain.

3. Gastrodia elata should be used with caution in patients with blood deficiency, yin deficiency and body fluid deficiency.