The symptoms of numbness in the legs may be related to the diseases of the lumbar spine, such as lumbar spinal stenosis and lumbar disc herniation. If the symptoms of numbness in the legs occur after prolonged standing or walking, and prominent veins can be seen in the legs, it may be related to varicose veins in the lower limbs. Prolonged leg pressure, poor posture, and sedentary position may also lead to poor blood circulation, which may also lead to numbness in the legs. Numbness in both legs may also be related to nerve damage caused by rheumatism or trauma, etc. Patients with diabetes mellitus who experience numbness, soreness or swelling in the legs may have a relationship with the development of complications. If it is accompanied by upper limb weakness, numbness, and restricted movement symptoms, it may be related to having cerebrovascular disease and should be examined at a hospital to determine the cause before treatment.