To explore the therapeutic effect of evidence-based nursing on the perioperative care of gastric cancer patients. 81 patients with gastric cancer hospitalized in our department from September 2018 to September 2019 were randomly divided into 40 experimental group and 40 control group; the control group used conventional nursing intervention and the experimental group used evidence-based nursing intervention to compare the surgical index, mental and emotional, clinical index, visual analogue scoring system score and complications of the two groups. The results showed that there were no statistically significant differences in intraoperative bleeding and operation time between the two groups, and the amount of intraoperative fluid replenishment was significantly lower in the experimental group than in the control group; after the nursing intervention, the Self-rating Anxiety Scale and Self-rating Depression Scale scores of the experimental group were lower than those of the control group at 1 d preoperatively and 3 d postoperatively (p
