Ghost needles can not treat gray hair, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. The bitter taste and flat nature of the ghost needle grass has the effect of clearing away heat and detoxification (removing heat and toxicity from the body), dispersing blood stasis and eliminating swelling. In clinical practice, it is mainly used for appendicitis, nephritis, cholecystitis, enteritis, bacillary dysentery, hepatitis, peritonitis, upper respiratory tract infections, tonsillitis, laryngitis, amenorrhea, scalded, poisonous snake bites, bruises, skin infections, pediatric convulsions (pediatric diseases mainly manifested in dizziness, convulsions, convulsions), chancre and other diseases. But there is no treatment for gray hair. Adverse effects of ghost needles in terms of the current moment is not precise, pregnant women should not be taken. If you need to use the drug ghost needle grass, should be used by a professional Chinese medicine practitioner under the guidance of evidence, do not buy and use, so as not to delay the condition.