Result: The sputum negative conversion rate and chest focus absorptivity of observing group, comparing to control group, is no significance difference (P>0.05).

• 结果：观察组在强化期治疗后以及全程化疗结束后痰菌阴转率，肺部病灶吸收率与对照组无显著性(P>0.；05)。