Objective   To explore the clinical features and operative method of complicated spinal tuberculosis.     Methods   Totally 562 inpatients suffering from spinal tuberculosis during January 1997 to December 2006 were reviewed retrospectively. A new definition of complicated spinal tuberculosis was made. Complicated spinal tuberculosis was classified into different types. Every type had its special surgical operation approach.     Results   Among the 87 cases being followed up for 45 months

75 patients were totally recovered

and 12 patients were obvious improved on the mend according to Dr. Fang Xian-zhi’s standard. The classification of function which above good was 97.1%. The fusion rate was 96.3% during 87 patients who received bone grafting treatment 9 months ago. Posterior convex angle was 24°  to 57°

average 35.3°.    Conclusion   We consider that complicated spinal tuberculosis will not be surgical contraindication. Different types of complicated spinal tuberculosis by different operation approach

and careful preparation before operation will gain good curative outcome.