Ghost arrow feather dosage is generally 4.5 ~ 9g, but the single drug treatment effect is not good, it is recommended by a professional physician after the identification of the prescription group of drugs, and other medicines with a reasonable combination to improve the efficacy. Ghost Arrow Feather is the dried winged branch or winged material of Weishaupt family, with bitter taste and cold nature, mainly entering the liver meridian, it has the effects of breaking blood, expelling blood stasis and clearing the meridian (removing blood stasis and clearing the meridian), killing insects, etc. Clinically, it can treat rheumatism and paralysis, menstrual dysmenorrhea, abdominal pain of insect accumulation, pain of postpartum stagnation and bruises, etc. This product is contraindicated for pregnant women. This product is contraindicated for pregnant women. When discomfort occurs, you should consult a doctor in time and choose medication under the guidance of physician’s diagnosis, do not use medication on your own, so as not to delay the condition.