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Objective To study the impact of T-tube on the biliary complication after liver transplantation.Methods Based on the principles of evidence-based medicine,the Cochrane systematic review methods,search MEDLINE(1966-2014),the PubMed database(1966-2014),CNKI(1996-2013),the Cochrane Library clinical controlled trials database(The 1st issue 2014) and Chinese Biomedical database(1980-2014) database,the deadline is December 2014.The randomized controlled trials of placing T-tube or nor in the reconstruction of biliary track after liver transplantation were included.RavMan5.1 was used for Meta-analysis.