Objective To develop a perioperative nutrition management program for gastric cancer patients and to provide a reference for clinical practice.Methods The best evidence was identified through evidence-based reviews, then 9 experts were interviewed to develop the draft of the perioperative nutrition management program for gastric cancer.Fifteen experts were consulted using Delphi technique to obtain their agreement.Results All experts returned their questionnaires. The coefficient of authority was 0.92 in Delphi round 1 and 0.95 in Delphi round 2, and the Kendall′s coefficient of concordance was 0.205 in round 1 and 0.218 in round 2, respectively （both P＜0.05）.The nutrition management program included 6 primary indicators, 16 secondary indicators, and 42 tertiary indicators.The primary indicators were nutrition management mode, nutritional risk screening and assessment, preoperative nutrition intervention, postoperative nutrition intervention, nutritional support monitoring and care, and discharge education.Conclusion The perioperative nutrition management program for gastric cancer patients demonstrates good validity and practicality.Further studies can be conducted to validate the effectiveness.