Objective: to investigate the situation of antibiotic using in stomach intestine operation and postoperative infection.

目的：了解胃肠手术抗生素使用和术后感染的情况。

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Conclusion: Using antibiotic in stomach intestine operation cann't prevent the postoperative infection well, there is unreasonable factor in usage of antibiotic in stomach intestine operation.

结论：胃肠手术中应用抗生素不能很好地预防术后感染，胃肠手术中抗生素的使用仍存在不合理之处。

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