The symptoms of thigh fascia strain include the following: first, pain, there can be tear-like pain in the strained injury; second, swelling and subcutaneous petechiae, fascia strain is often accompanied by local bleeding, and can be accompanied by soft tissue injury around the fascia, then there can be obvious swelling of the injury, but also can see the subcutaneous bruising petechiae, due to bleeding, bleeding can seep into the subcutaneous, and in the surface to see bruising Third, the activity is limited, due to the obvious pain and swelling after the fascial strain, which can lead to significant limitation of thigh activity, then the early braking of the injured limb and the treatment of topical drugs, oral drugs, etc., to promote the recovery of the strained muscle.