Stretching Tendon Herb can be applied directly to the knee. It can be taken internally or applied externally, and has the effect of dispelling wind and dampness (removing wind and dampness from the body), and relaxing tendons and activating collaterals (stretching the tendons and bones, dredging the meridians). Elongation grass is the dried grass of the stone pine plant of the Stone Pine family, with the efficacy of removing wind and dampness, relaxing the tendons and activating the collaterals, can be used to treat joint pain, flexion and extension of the symptoms, can be decocted or soaked in wine to be taken internally, but also can be pounded and applied externally. It can be decocted or soaked in wine and taken internally, and can also be pounded and applied externally. It can be used to make joint wind pain pills, anti-swelling and pain vinegar cream, joint pain relief cream, pain relief film, overgrown dragon tablets and other medicines. It can be used to treat rheumatic tendon pain, joint pain, numbness of the limbs and other symptoms. It should be noted that pregnant women should be cautious of the use of Elixir of Tendons, if you need to use this drug, please under the guidance of a physician.