Objective To observe the effect of Yiqi Bufei Recipe(YBR) on clinical symptoms,pulmonary function and recovery in patients with severe pulmonary function incompetence(PFI) after lung resection(LR).

• 目的观察中药益气补肺方对重度肺功能不全患者肺切除术后临床症状、肺功能及术后康复的促进作用。