胃肠微生态系是人体微生态学的重要组成部分,了解其不同部位的微生态学状况,应采取不同部位的标本进行检验,可采用插管法和剖腹手术时采取标本,但由于采样方法繁琐,患者依从性差,一般不予采用。以粪便菌群作为评估胃肠道生态状况的指标,由于其标本易得,已成为目前普遍采用的方 Gastrointestinal micro-ecosystem is an important part of human micro-ecology to understand the different parts of the micro-ecological conditions, should be taken in different parts of the specimen for testing, can be used when the catheter and laparotomy surgery specimens taken, but because of sampling methods Tedious, poor patient compliance, generally not used. With fecal flora as an indicator of gastrointestinal tract ecological status, it has become the most commonly used method