Hepatobiliary stones mainly cause pain in the right upper abdomen in the liver area, and some patients may also have radiating pain in the right side of the back of the shoulder. The body projection of the liver is the right upper abdomen, smaller bile duct stones do not cause significant pain, when the stone is larger, it will lead to blockage of the bile ducts, and the bile ducts contract violently to produce pain. Therefore, most patients will have the manifestation of right upper abdomen pain, and when the pain is severe, it can radiate to the back of the right shoulder. Usually patients in eating greasy food after the pain will be more obvious, dietary excess such as eating too much greasy food food and bad habits, bile acid and bile salt metabolism is different are the reasons for the formation of gallstones. If you experience pain or other symptoms of hepatic bile duct stones, it is recommended that you seek medical attention promptly to avoid adverse effects.