In 1983-1994,748 cases hepatocholelithiasis had been treated in our department, in which 372 patients underwent hepatectomy and 43 patients underwent hepatectomy of the quadrate lobe. Hepatectomy of the quadrate lobe has been performed to treat all kinds of hepatocholelithiasis, it is easy to expose 1 or 2 degree branch of biliary tree, incise the hepatobiliary stricture and perform hepatocholangiojejunostomy in the hepatic hilum.