The invention discloses a stone removal device for hepatological surgery department. The stone removal device comprises a moving box body, a drainage tank and a physiological saline tank are installedinside the moving box body, the drainage tank is connected to a negative pressure gas pump, the drainage tank is also connected to a drainage electric control valve, the physiological saline tank isconnected to a pressurized gas pump, the physiological saline tank is also connected to a cleaning electric control valve, a carbon dioxide gas treatment box is also installed inside the moving box body, the upper end of the carbon dioxide gas treatment box is connected to a gas intake pump through a second electronic control valve, the gas intake pump is connected to a gas outlet control valve, acontrol box is installed at the upper end of the moving box body, and a display screen and a control keyboard are installed at the upper end of the control box. The stone removal device is used for removing all gallstones in a gallbladder under the direct vision of a fiber choledochoscope, can achieve the functions of negative pressure drainage, physiological saline cleaning and tissue bulging bycarbon dioxide, greatly facilitates the stone removal work, improves the surgical efficiency of medical staff, facilitates the surgery, greatly reduces the preparation time and workload of the medical staff, provides a patient with good medical experience and is conducive to disease rehabilitation.