Clinical study on the effect of virtual reality technology on intestinal function of patients undergoing gastrointestinal surgery during fasting

Interventions: Experimental group:Use virtual reality equipment;Control group:Routine medical care measures Primary outcome(s): Intestinal microflora diversity and community structure distribution;Diamine oxidase;Intestinal fatty acid binding protein;Time of first postoperative defecation;Time of first postoperative exhaust;Recovery time of first bowel sounds Study Design: Parallel