Objective To integrate the best evidence of perioperative nutrition management in liver transplant recipients and provide a reference for the clinical care of perioperative liver transplant recipients. Method Computer searched the JBI evidence-based care database international Guide Collaborative Network Clinical Decision Support System Cochrane Library PubMed Medline CNKI Wanfang database and so on to obtain relevant guidelines evidence summaries systematic review and expert consensus on the nutritional management of liver transplant recipients. The search period was from January 1 2018 to October 31 2024. Two investigators evaluated the quality of the literature extracted relevant evidence and integrated it. Result 13 articles were included 4 guidelines 5 systematic reviews 4 expert consensus and 1 evidence summary . 21 pieces of evidence were summarized from 6 aspects screening and assessment of nutritional risk nutrition and management pathways energy and protein intake initiation of enteral nutrition timing and feeding speed micronutrient supplementation Nutrition management for comorbidities and hospital discharge nutrition management. Conclusion The best evidence can be selected based on individual conditions cultural background and values and the subjective will promoting and hindering factors of stakeholders so as to form a scientific and evidence-based perioperative nutrition management plan.