1, nutritional value: Gastrodia elata has nutritional value and is rich in protein, vitamins, minerals and other nutrients, which is also good for human health. The nutritional value of Gastrodia elata in Guizhou is not as rich as that of Gastrodia elata in Yunnan.

2. Economic value: In Yunnan, gastrodia elata has a wide planting area and high yield. Therefore, Gastrodia elata also has a good sales prospect in the market. However, Gastrodia elata in Guizhou is solid and strong, which is suitable for growing in Guizhou with poor land and low yield.