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术后肺部并发症与术中通气关系密切，肺保护性通气策略（ LPVS）能够减少急性肺损伤／急性呼吸窘迫综合征（ ALI／ARDS）患者呼吸机相关性损伤，改善患者氧合，获得较好的预后。小潮气量通气、呼气末正压通气（ PEEP）及肺复张策略（ RMs）在临床中应用广泛。然而，机械通气并非仅限于ALI／ARDS患者，相比之下，全麻手术人群基数较为巨大，LPVS是否同样适用于该部分人群一直存在争议。“,”Postoperative pulmonary complications ( PPCs) is closely associated with intraoperative venti-lation,and lung protective ventilation strategy(LPVS) can reduce the ventilator associated injury of patients with acute lung injury and acute respiratory distress syndrome ( ALI/ARDS ) , improve oxygenation in patients,and obtain better prognosis.Low tidal volume ventilation,positive end expiratory pressue(PEEP) and recruitment maneuvers(RMs) have been widely used in clinical practice.However,mechanical ventila-tion is not limited to patients with ALI/ARDS,comparatively,general anesthesia operation has a huge popula-tion base,and whether LPVS is applicable to this part of population has long been controversial.