Abstract: Hepatic venous outflow stenosis is a rare complication after liver transplantation, its incidence after living donor liver transplantation (LDLT) is 2% -4%. Two recipients who suffered from graft hepatic venous outflow stenosis after right lobe LDLT received conservative treatment and interventional balloon dilatation at the Chinese PLA General Hospital from June 2006 to May 2010. The results demonstrated that conservative treatment is risk taken for hepatic venous outflow stenosis, while interventional hepatic venous radiography, balloon dilatation and metallic stent placement are effective for the diagnosis and treatment of hepatic venous outflow stenosis.