The treatments for lumbar disc bulging foot numbness include bed rest, warmth, physical therapy, medication, surgery and so on. 1. Bed rest: numbness of feet due to lumbar disc bulging is mostly due to bulging discs, resulting in nerve compression, so patients should rest in bed, avoid excessive activities, reduce nerve compression. 2. Keep warm: cold easily induced lumbar disc bulging foot numbness, so patients should pay attention to keep warm, to prevent the use of cool water to soak the feet, resulting in cold feet aggravate numbness symptoms. 3. Physical therapy: Physical therapy and traction can be used to reduce the pressure on the intervertebral discs, alleviate nerve root compression and relieve the symptoms. 4. Medication: Mannitol can be injected intravenously to reduce nerve edema and relieve symptoms, and anti-inflammatory and analgesic drugs such as Celecoxib can be taken orally to reduce the irritation of inflammation on the nerves. 5. Surgery: patients with heavy nerve compression and ineffective conservative treatment need surgery. If the numbness of the foot worsens with a bulging disc, it is recommended to go to the hospital in time to give targeted treatment or therapy. All of the above drugs need to be used under the guidance of a doctor.