On the day 1 postoperatively,the patients received tither enteral nutrition or parenteral nutrition.

在1日开始行肠内营养或肠外营养支持。

For barrier and immunity of enteric,select seemliness time and composition enteral nutrition is very importance .

由于肠道具有障、免疫等各项功能,因此恰当选择肠内营养的时机合理营养成分是十分重要的。