Objective:To evaluate the application effect of virtual reality in labor pain management by Meta analysis.Methods:The randomized controlled trials on the impact of virtual reality on labor pain was searched by PubMed (Medline), Web of Science, The Cochrane Library, Embase, CINAHL, China National Knowledge Infrastructure (CNKI), Wanfang database, Chinese biomedical database, and VIP database from their inception until July 2021. Two reviewers independently screened literature, extracted data and assessed the risk of bais of included studies. Meta-analysis was performed using the Comprehensive M...