What is the general cause of foot paralysis in 70-year-old people? There may be several reasons for this phenomenon: the first and most common reason is due to lumbar spine disease, due to lumbar spine osteophytes will compress the corresponding nerves leading to paralysis of the feet, which need to go to the hospital to do an MRI to make a clear diagnosis. The second cause of paralysis is due to the patient suffers from some neurological diseases, such as cerebrovascular disease, cerebrovascular disease is the most common cause of limb paralysis, it is recommended to do an MRI in the hospital or head CT to make a clear diagnosis, and according to the cerebral infarction to carry out the appropriate treatment. The third reason is that some spinal cord diseases, including peripheral nerve diseases caused by diabetes, can cause paralysis of the feet in the elderly.