Chicken Blood Vine is the name of a traditional Chinese medicine, which is the dried vine stem of bean milfoil plant Milfoil. This Chinese medicine has the effect of activating blood and tonifying blood, regulating menstruation and relieving pain (regulating menstruation and relieving menstrual pain), relaxing tendons and activating collaterals (stretching tendons and bones, dredging meridians and collaterals), and is used as a main treatment for menstrual disorders, dysmenorrhea, dysmenorrhea, rheumatism and paralysis, numbness and paralysis, and blood deficiency and atrophy. The adverse effects of this product are not clear. This product is warm in nature and should be used with caution in cases of yin deficiency and fire (deficiency of yin essence in the body, resulting in hyperactivity of deficiency fire), internalized dampness-heat and those with no stagnation of blood. It is contraindicated for pregnant women. From the efficacy and action of this product, chicken blood vine does not have the effect of treating gray hair. If you need to treat gray hair, you should be under the guidance of a professional physician, according to the cause of the symptomatic treatment. In addition, if you need to take chicken blood vine, it is recommended to consult a professional physician or pharmacist before taking this drug, not blindly use the drug on their own to avoid adverse consequences.