Pain in the calf stomach may be caused by trauma. The back of the patient’s calf may cause pain in the back of the calf after being hit or bruised. At the same time may be accompanied by subcutaneous bleeding, bruising, local soft tissue swelling, if necessary, need to be on the surface of the hot compresses to promote local blood circulation to accelerate recovery. Oral pain medication can also be taken to treat the symptoms, such as celecoxib. The patient’s calves may also cause pain after strenuous activities, mainly due to the formation of lactic acid accumulation. Especially after a long period of inactivity, sudden strenuous activity can cause pain. You can elevate the affected limb or apply hot towels externally, both of which can relieve the pain.