After the limb is traumatized, there is soft tissue injury, and in the case of serious soft tissue injury, there is local capillary rupture, and after local capillary rupture, there will be local hematoma, and the subcutaneous adipose tissue is relatively loose, and the hematoma may flow to the loose parts, and after a few days, there will be local petechiae and petechiae in the low-hanging parts, which are all normal, and they are all caused by bleeding of the soft tissue that has been injured. This is normal and is due to bleeding from the damaged soft tissues, which may appear to be localized and greenish in appearance. You can increase local blood circulation through local physical therapy, hot compresses, massage, acupuncture, etc. Local blood circulation can promote the reduction of swelling and ecchymosis, which can relieve the symptoms. In addition, after the leg fall without fracture of the case of swelling and pain, you can take appropriate medication to promote the repair of the damage.