Gastrodia elata superfine powder, and preparation method and use of gastrodia elata superfine powder

The invention discloses gastrodia elata superfine powder which is 5-40 micrometers in particle size and further discloses a preparation method and use of the gastrodia elata superfine powder. The gastrodia elata superfine powder is safe and has a high active ingredient content and excellent drug efficacy; an effect of anticonvulsion and sedation is significantly higher than that of gastrodia elata superfine powder in other particle sizes; the gastrodia elata superfine powder which is 20 micrometers in particle size has the best effect; and the gastrodia elata superfine powder has good application prospects. 本发明公开了种天麻超微粉，它是粒径为5～40μm的天麻超微粉。本发明还公开了前述天麻超微粉的制备方法和用途。本发明天麻超微粉安全，有效成分含量高，药效优良，其中抗惊厥和镇静的效果显著高于其余粒径的天麻超微粉，其中以粒径为20μm的天麻超微粉效果最佳，应用前景良好。