There were 24 types of regimes used for treating MDR-PTB in our study, the most popular regimes were (6 (Z+Ofx+Km+Eto+PAS) / 18 (Z+Ofx+Eto+PAS)) (35.3%) and (6 (Z+E+Ofx+Km+Eto+PAS) / 12 (Z+E+Ofx+Eto+PAS)) (22.8%).