3-5g is recommended. Gastrodia elata is a valuable Chinese herbal medicine. Although it has excellent efficacy, it will have certain toxic and side effects if the dosage of Gastrodia elata is too much at one time. If the dosage of Gastrodia elata exceeds 40g, poisoning reaction may occur. The incubation period of poisoning is 1-6 hours, and most of the symptoms are headache, dizziness, chest tightness, papules, etc., and acute renal failure and coma may occur after large dosage and long-term use. Therefore, according to the medicinal dosage of Gastrodia elata, it is recommended to put Gastrodia elata stew for 3-6 hours at a time