The Safety and Efficacy of Fecal Microbiota Transplantation in the Treatment of Digestive Diseases and Non-digestive System Diseases Associated With Gastrointestinal Symptoms in the Gastrointestinal Tract.

The Safety and Efficacy of Fecal Microbiota Transplantation in the Treatment of Digestive Diseases and Non-digestive System Diseases Associated With Gastrointestinal Symptoms in the Gastrointestinal Tract.

The exploration of the safety and efficacy of fecal microbiota transplantation in the treatment of non-digestive system diseases associated with gastrointestinal symptoms in the gastrointestinal tract, while also investigating the impact of fecal microbiota transplantation on the intestinal system, and assessing the improvement of symptoms in other systems.Simultaneously optimizing the conditions during the FMT process, identifying the most effective treatment methods to enhance the therapeutic outcomes of FMT.

Inclusion Criteria:

• Being able to tolerate a nasoenteric tube or swallow a capsule.

Exclusion Criteria:

• Intestinal barrier dysfunction. Inability to tolerate enteral nutrition.