Exploration of Standard Surgical Indication in Gallbladder Benign Disease

Inclusion Criteria: * Patients diagnosed with gallbladder benign disease, including gallbladder stone、cholecystitis and polypoid lesions of gallbladder from December 2016 to September 2018. * Have been clearly informed the purpose of this study, methods and other information, voluntarily participate in this study and sign informed consent. Exclusion Criteria: * Complicated with bile duct stones and other biliary tract disease or suspected with gallbladder carcinoma、biliary tract cancer. * Complicated with severe diseases such as organ dysfunction that cannot accept surgery * Abdominal operation history. * Pregnant or lactation. * Coagulopathy.