Anterior and paravertebral soft tissue swelling or abscesses are one of the important features in the diagnosis and differential diagnosis of spinal tuberculosis, and in particular, calcification of abscesses is often specific. Anterior paravertebral soft tissue swelling or abscess is commonly seen in cases of spinal tuberculosis with extensive and severe destruction of the vertebral body and adnexa. Imaging (1) CT examination: It can detect subtle skeletal changes and the extent of abscesses at an early stage, and is more valuable in areas where satisfactory images are not easily obtained by conventional radiography, such as the circumflex spine, cervicothoracic spine and irregularly shaped sacral spine. CT examination of spinal tuberculosis is most commonly fragmented, and spinal tumors often have similarities with it, so it should be analyzed in combination with clinical data, such as when there are foci of calcification or small bone fragments in the enlarged shadow of the paravertebral area, which can help the diagnosis of spinal tuberculosis. Despite this typing, CT is sometimes unable to differentiate spinal tuberculosis from spinal tumors. (2) Radiographs: They are mostly negative in the early stage of the disease, but Lifeso et al. (1985) observed that routine radiographs can only show up when 50% of the vertebral body bone is involved about 6 months after the onset of the disease. early radiographic signs are seen in most cases with enlarged paravertebral shadows, involvement of the anterior and inferior margins of the vertebral body and narrowing of the intervertebral space, sparse vertebral bone, enlarged paravertebral shadows and dead bone. Vertebral body bone destruction of medical diameter <15mm, lateral radiographs can not be shown, while body radiographs of the destruction area diameter of about 8 mm can be detected. In the vertebral body cancellous bone or abscess when the size of the dead bone can be seen. (3) MRI: With the characteristics of soft tissue and high resolution, it is better than CT for cranial and spinal cord examination, and can be scanned and imaged in the sagittal, axial and coronal planes of the spine. MRI of spinal tuberculosis shows the normal signal of the vertebral body, intervertebral disc and adnexa of the lesion compared with the normal signal of the corresponding place of the spine, which is higher than the high signal and lower than the low signal. 2, laboratory tests (1) blood routine: changes are not obvious, there may be an increase in lymphocytes. In case of co-infection, the total white blood cell count and neutrophil count may increase, and in case of long duration of disease, the red blood cell and hematocrit may decrease. (2) Blood sedimentation: Blood sedimentation is elevated in the active phase, mostly in the range of 30-50 mm/h. If it is significantly elevated, it indicates that the disease is active or there is a large amount of pus accumulation. In the resting and healing period, it gradually decreases to normal, and if it increases again, it indicates the possibility of recurrence and is not specific. (3) Mycobacterium tuberculosis culture: Generally take pus, dead bone, tuberculosis granulation tissue for culture, the positive rate is about 50%, with qualitative diagnostic value. However, the culture time is long and the positivity rate is not high. Tuberculin test (PPD test), positive reaction is a kind of tuberculosis-specific metamorphic reaction, it has a definite diagnostic value for tuberculosis infection, PPD is mainly used for the diagnosis of tuberculosis in adolescents and children, and only has a reference value for the diagnosis of adult tuberculosis, its positive reaction only indicates the presence of tuberculosis infection, not necessarily disease, if the test is strongly positive, it often indicates active tuberculosis in human body, PPD is more valuable for The diagnostic value of PPD for infants and children is greater than that of adults because the younger the age, the lower the natural infection rate, while the older the age, the more chances of natural infection of tuberculosis bacteria, the more positive PPD, and therefore the less diagnostic significance.