Elderly people can’t walk mainly because of ageing, arthritis, herniated disc and other reasons. 1. Ageing: With the gradual growth of the elderly, the strength and intensity of leg muscles slowly decline, muscle atrophy, walking leg muscles constantly shaking, and accompanied by the symptoms of weakness, thus showing that they can not walk. 2. 2. Arthritis: Inflammation of the joints of the legs due to infection, heredity, immunity, etc., resulting in joint pain and stiffness. After arthritis occurs in the elderly, the symptoms of joint discomfort are obvious, thus showing the symptoms of not being able to walk. 3. Herniated lumbar disc: due to trauma, strain injury, cold and dampness and other causes of lumbar degenerative discs, from the rupture of the fibrous ring out, compression of the peripheral nerves, resulting in discomfort in the legs, thus showing symptoms of not being able to walk. When the elderly can not walk, should go to the hospital as soon as possible, to clarify the cause of can not walk, to avoid affecting the normal life.