The symptoms of leg disorder are most likely due to impaired blood circulation in the lower extremities, or poor blood circulation in the lower extremities. Generally, prolonged standing, prolonged sitting or other fixed posture will reduce the venous blood return capacity of the lower extremities and dilate the veins of the lower extremities, causing many uncomfortable symptoms in the lower extremities, especially soreness, fatigue and other indescribable leg symptoms. It is possible that the leg symptoms are caused by a slight inflammation of the local muscles due to overexertion or exercise. The causes of this condition are relatively obvious and can be better determined, and may also be caused by lesions of the central nervous system, that is, the brain. So once this symptom appears, after rest is not relieved should promptly go to the hospital to avoid delaying the best time for treatment.