Objective To comprehensively search and summarize the best evidence on volume management in patients with neurogenic bladder after spinal cord injury (SCI). Methods Based on the evidence pyramid, domestic and international databases and official websites were systematically searched. The search timeframe was set from database inception to November 10,2023. The evidence was extracted and integrated after quality evaluation. Results A total of 20 publications were eligible, and 20 pieces of evidence were summarized into 7 aspects, including assessment, voiding management, dietary care, pharmaceutical care, rehabilitation care, observational indicators, and health education. Conclusion The best evidence developed for volume management in patients with neurogenic bladder after SCI can provide an evidence-based basis for nursing practice.