1. Results: The accessory hepatic duct was successfully repaired and was retained in operation.

2. Cholecyst lies in right endite, bile duct and hepatic duct converge choledochus, hepatic duct is compiled by small hepatic duct of every lobe.

3. Methods: To fetch calculus of hepatic duct by fibercholeochoscope via T - type tubular sinus.

4. Different types of accessory hepatic duct injury should be treated by different approaches.

5. Bottom left: The second gallbladder is connected by cystic duct in the left hepatic duct.

6. By the interlobular vein, the interlobular bile duct are composed the hepatic duct area.

7. Methods: The clinical data of 8 cases of accessory hepatic duct injury during laparoscopic cholecystectomy were analzed.

8. X - ray Classification of the Anomalies of Union of Hepatic Duct and Clinical Significance.

9. Methods : The clinical data of 26 cases with accessory hepatic duct were retrospectively reviewed.