The main functions of Gastrodia elata are: dispelling rheumatism, relieving pain, promoting qi and activating blood circulation. It has obvious analgesic effect on trigeminal neuralgia, vasculoneural headache, cerebrovascular headache, toxic polyneuritis, etc. It has a certain sedative effect and is used to treat patients with neurasthenia and neurasthenic syndrome. Blood pressure lowering effect. Improve eyesight, enhance intelligence, etc. As for your use of rice wine to treat dizziness, the dosage can be: rice wine, 500ML, and 50 grams of dried gastrodia elata (broken or sliced). According to this ratio. It can be used after soaking for a week.