The study has collected a set of clinical materials such as extension-flexion dynamic lum-bar spine radiographs and computerized x-ray tornography of lumbar spine and quantified physical exami-nation from 32 patients with lumbar intervertebral disc herniation, who had gone through a suocessful con-servative treatment. The collection was conducted twice before and after the treatment. With the help oft-test and linear correlation analysis, the study suggests that extensionflexion radiograph of lumbar spineis of important clinical significance in weighing the clinical state of an individual patient, especially forthose who receive conservative treatment. The study emphasizes that the biomechanical disturbance oflumbar spinal column may be from another important pathological element along with the irritation of thenerve root by herniated disc tissue in the pathomechanics of lumbar disc herniation. There is also somediscussion of the computerized X-ray tomography diagnosis in this study. Above all, the author provides anew angle of viewing the trouble by one of the soul principles of traditional Chinese medicine: concept ofholistics .