Abstract: Objective  To explore the value of LTB-S classification in surgical indication for multidrug-resistant tuberculosis, looking for a judging system of the optimal operation time in patients with multidrug-resistant tuberculosis to reduce the complications and medical costs.   Methods  We set up a simple practical LTB-S judgment system for surgery of multidrug-resistant tuberculosis based on《Clinical technology operating specifications(tuberculosis section)》 written by Chinese Medical Association Tuberculosis Branch.Patients were divided into class Ⅰ, Ⅱ, Ⅲ which definited absolute sugery indication, relative indication and contraindication, respectively. Twenty-seven cases with pulmonary tuberculosis who has been underwent surgery were randomly chosen for this confirmatory analysis.   Results  Of 27 patients, 8 patients belonged to class Ⅰ, 17 class Ⅱ, and 2 class Ⅲ in those who complied with the LTB-S class Ⅰ had no complications,the patients which complied with the LTB-S class Ⅱ and Ⅲ have much more complications which incidence were 2 patients(100% in class Ⅲ), respectively.  Conclusion  LTB-S judging system is helpful for the judgment of operative indications for multidrug-resistant tuberculosis,it is very practical on clinical  and suitable for TB physicians learning and understanding.

Key words: Tuberculosis,pulmonary/surgery, Drug resistance,multiple, bacterial, Surgical procedures,elective