Liver transplantation has been widely accepted as an effective treatment method for various types of irreversible acute and chronic liver diseases. After decades of steady and sustained development,liver transplantation techniques gradually become mature and stable. At present,all major transplantation centers in China can complete liver transplantation with various techniques,but there are still the problems of unbalanced development and uneven technical levels. In order to further standardize the operation of adult liver transplantation in China,Chinese Society of Organ Transplantation,Chinese Medical Association,organized liver transplantation experts to summarize the latest research advances in China and foreign countries and develop Operation standards for liver transplantation in China(version 2019) with reference to international guidelines and clinical practice,with a focus on the standardized operations for donor liver repair,diseased liver resection,donor liver implantation,and re-liver transplantation.