Scorpion grass has the effect of pain relief; it is used to treat rheumatism, paralysis and other conditions. Scorpion grass belongs to a kind of traditional Chinese medicine, also called red patchouli hair grass, fire hemp grass, for the nettle plant scorpion grass whole grass; its flavor is pungent, warm, poisonous, into the liver, gallbladder, small intestine meridian; with the efficacy of analgesia; commonly used in rheumatism paralysis, the symptoms of symptoms can be seen in the joints of alternating pain, swelling, burning pain, obstacles to flexion and extension, flexion and extension of the disadvantage of the symptoms of muscular atrophy, and so on. Scorpion herb adverse reactions, contraindications are not yet clear. Care should be taken when using it to apply it only to painful areas; if the burning redness and swelling do not subside after use, wash immediately with soapy water and soda. If you need to use drugs, should be by the physician to identify the evidence under the guidance of the use of drugs, not to purchase their own use of drugs, so as to avoid the drug is not the right delay in the condition.