The first part: the middle-aged and the elderly to maintain the lumbar spine health matters to pay attention to. The main chat and lumbar spine health related factors: such as living and eating habits: osteoporosis aggravate the degeneration of lumbar spine; long-term bad posture caused by lumbar lesions, such as playing cards, holding a child, etc.; labor and activity: excessive activities, too much stooping chores; the relationship between other concomitant diseases and lumbar degeneration: such as arthritis in the hip and knee joints, cervical spondylosis, and so on. Part II: common misconceptions about lumbar spine health in middle-aged and elderly people. The problem of exercise moderation; the choice of various types of dance, yoga and other exercise methods and precautions; improper rest aggravates the degeneration and discomfort of the lumbar spine. Part III; common diseases of lumbar spine in middle-aged and elderly people: including lumbar spinal stenosis, lumbar spondylolisthesis, lumbar scoliosis, kyphosis, lumbar spine fracture, lumbar muscle strain, and pudendal nerve entrapment. Professional doctors need to make a diagnosis, do not blindly follow the opinions of non-professionals. Part IV: Treatment Options for Lumbar Spine Disease: Conservative treatment includes the best of all worlds: bed rest; physical therapy; acupuncture; topical; internal. Be cautious of massage and acupressure. Surgical treatment should follow the advice of a professional spine surgeon. Part V: Proper understanding of the risks and benefits of surgery: the vast majority do not require surgical treatment. Surgical patients require strict indications for surgery: e.g. severe lumbar spinal stenosis, massive disc herniation, severe scoliosis, spinal instability, partial fracture. Interpretation of surgical success rates is properly recognized. Part 6: Introduction to clinic hours.