The shortage of donor liver is a long-term problem for liver transplantation physicians in China,and in order to expand the source of donor liver,living donor liver transplantation has become one of the important options for patients with end-stage liver disease. In order to further standardize the operation of adult living donor 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 adult living donor liver transplantation in China( version 2019) in view of the technical difficulties and key points of adult living donor liver transplantation,with reference to international guidelines and clinical practice.