The principles of “precise liver surgery”include to absolutely clearing target lesions,ensuring structural　integrity of residual liver,maximizing the volume of remnant　liver,controlling bleed as well as minimizing hepatic parenchymal damage and surgical invasiveness.This theory serves the　whole procedure of liver surgery for the optimal recovery of　patients.The major strategies consist of accurate preoperative　evaluation:rigorous surgical planning,refined surgical operation　and meticulous perioperative care.The construction of “recise　liver surgery” system requires the combination of modern technology and traditional surgery,and the breakthrough in the core　theory and key techniques of liver surgery.