The difference between Siegesbeckia and Siegesbeckia is that the drug source, flavor and attribution, efficacy and action are all different. 1. Origin: Siegesbeckia is the dried above-ground part of Siegesbeckia, Siegesbeckia, or Siegesbeckia of the plant family Asteraceae; Siegesbeckia is the dried whole grass of the plant family Asteraceae. 2. Characteristics and tastes: Siegesbeckia is pungent, bitter and cold in nature, and goes to the liver and kidney meridians; Ghost Needlewort is bitter in taste and flat in nature, and goes to the liver, stomach and spleen meridians. 3. Efficacy: Siegesbeckia has the efficacy of dispelling wind-dampness, facilitating joints and detoxifying; Ghost Needlewort has the efficacy of clearing heat and removing toxins, dispelling wind and activating blood circulation, dispersing blood stasis and eliminating swelling. 4. Effects: Siegesbeckia can be used for rheumatism and paralysis, weakness of muscles and bones, lumbar and knee pain, paralysis of limbs, hemiplegia (one side of the limbs can not move freely), rubella and wet sores. Ghost Needlewort can be used for malaria, diarrhea, dysentery, dystocia (pain in the area of the ribs), edema, stomach and epigastric pain and other conditions. Siegesbeckia is used with caution in cases of deficiency of yin and blood, and is contraindicated in cases of allergy to Ghost Needlewort medication. The use of medication should be under the guidance of a doctor, not self-medication.