Results: 98.6% success rate, only 1 pass puncture: 60%, 2 to 3 passes: 30%, 4 to 6 passes: 5.1%, more than 6 passes: 3, 5%; the shunt from right hepatic vein to the right branch of portal vein: 92.8%, the remaining 7.2% of patients had the shunt to the left branch of portal vein.