The reason for the formation of lumbar spinal canal nodules is currently unknown, and may be due to tumor factors or other benign lesions, among others. Lumbar spinal canal nodules belong to an imaging description, the lumbar spinal canal appears heterogeneous solid tissue can be called lumbar spinal canal nodules. The nature of the nodules can be broadly classified into benign nodules and malignant nodules. Malignant nodules, which are also commonly referred to as malignant tumors, have an unclear cause and a relatively low incidence, and are commonly seen as chordomas, myelomas, osteosarcomas, and Ewing’s sarcomas. Benign nodules in the lumbar spinal canal, generally belong to benign lesions, also known as benign tumors, most of which are due to post-inflammatory mechanized parcels, vascular factors, adipose tissue, fibrous tissue degeneration and other reasons, such as osteoblastoma, bone cysts, hemangioma, neurofibromas, vertebral tuberculosis and so on. Most of these lesions are slow-growing, in many cases remain stable year-round, and do not present with clinical symptoms. Lumbar spinal tuberculosis examination results alone can not accurately determine whether it is a tumor or not, but also need to be combined with the characteristics of the medical history, other test results to make an accurate judgment, it is recommended to clarify the cause of the disease under the guidance of a doctor.