If the legs are often numb: 1, if the leg numbness is mainly on one side, manifested as numbness of the lateral calf or the back of the thigh, ask the patient if there is any back pain or discomfort in the hip muscles, consider that it may be a lumbar disc herniation or pear-shaped muscle syndrome that causes the symptoms of frequent leg numbness, you need to go to a regular hospital to do an MRI of the lumbar spine and electromyography of both lower limbs to confirm the diagnosis. 2, also consider the patient If there are any occupational lesions in the vertebral body, such as cervical spine tumors or thoracic spine tumors, you need to go to the hospital to do MRI of the cervical spine and MRI of the thoracic spine to confirm the diagnosis. If the patient has a history of long-term alcohol consumption, some patients who have been drinking alcohol for a long time are prone to vitamin absorption disorders, which manifest as subacute joint degeneration of the spinal cord and numbness in the legs, accompanied by the feeling of walking on cotton and leg weakness, they need to go to the hospital to do electromyography and test vitamin B12 and B1 to see if there are abnormal changes, so as to confirm the diagnosis. 3. The numbness of both legs is mainly dominated by the numbness of both calves, ask the patient if they have diabetes. Some diabetic patients will show numbness in both legs when peripheral nerve lesions occur, mainly in the lower legs.