Jia Rong, Deputy Chief Physician of the Geriatrics Department at Peking University People's Hospital, reminds that the most common diseases causing walking disorders in the elderly include lumbar disc herniation and lumbar spinal stenosis, degenerative diseases and excessive strain of lower limb joints, osteoporosis, etc. If significant deterioration in walking ability is found, the disease risk should be investigated. Among them, the high-risk population for osteoporosis is postmenopausal women and men over the age of 70.