Abstract: Objective To understand the therapeutic effects of containing DPC or PAS regimens on MDR pulmonary tuberculosis.Methods 39 cases of MDR pulm.tuberculosis are selected and divided randomly in DPC group and P group respectively.Results After complete the treatment course,the sputum negative conversion rate of above two groups was 95% and 93% respectively.The X Ray resolving rate were 86% equally.The relapse rate following 2 years follow-up were 5% and 8%.All above Results of two groups were no significant difference(P>0.05),but the occurence rate of gastrointestinal adverse reaction and phlebitis of group DPC was much lower than those of the P group(P< 0.05).Conclusion The antituberculosis regimen of DPC or PAS with K、O、TH and Z reparatively is an effective and safe approach for treating the multi drug resistant pulm.tuberculosis,especially the 2 KOTHZ DPC/6 10 OTHZ DPC regimen is cheap cost,less adverse reaction and easy to accept,therefore it is worth recommending.

Key words: Dipasic(DPC), Para aminosalicylic acid(PAS), Tuberculosis pulmonary/drug therapy