小儿肺脏弹力组织发育较差 ,血管丰富 ,整个肺脏含血多 ,含气少 ,间质发育旺盛 ,肺泡数量少 ,较易发生肺炎 ,肺不张 ,肺水肿 ,肺气肿等。常危及病儿生命安全。现将我科近期术中发生的 2例小儿急性肺水肿报告如下。1　临床资料病例 1,患儿 ,男 ,5月 ,体重 7 5ｍｇ ,因呕吐 ,便血 Pediatric lung elastic tissue development is poor, rich in blood vessels, the whole lung contains more blood, less gas, strong stromal growth, fewer alveoli, more prone to pneumonia, atelectasis, pulmonary edema, emphysema and so on. Often endanger sick children’s life and safety. Now our department recently occurred in 2 cases of acute pulmonary edema reported as follows. 1 clinical data cases 1, children, male, May, body weight 75mg, due to vomiting, blood in the stool