Stretching Tendon is a proprietary Chinese medicine that is good at activating blood circulation, reducing swelling and relieving pain. It is mainly used for pain in limb joints caused by blockage of blood circulation. It is commonly used in clinical practice to treat painful limb joints and unfavorable movement after fracture or soft tissue injury. It is also used to treat pain in various parts of the body caused by frozen shoulder, lumbar and leg pain, and cervical spondylosis. It contains strychnine, safflower, frankincense and myrrh, which are powerful in activating the blood, and it is also used with bone tonic to strengthen the kidney and bone. Therefore, Xianshen Dan is mainly used for fractures caused by trauma or painful bruises and swelling caused by bruises.