Intrahepatic bile duct stones of 6*5mm are not serious if there are no obvious symptoms, but surgery is recommended if symptoms recur. Gallstones generally refer to gallbladder stones and bile duct stones, is the most common biliary tract infections, when the stones stimulate the gallbladder and bile duct lining patients will experience pain, infection, jaundice and other manifestations. For bile duct stones of 6*5mm, they are generally not serious, most patients will not have clinical symptoms, and have not yet reached the indications for surgical treatment, but they need to go to the hospital on time to follow up the examination, to make clear whether the stones have increased. Once clinical symptoms appear, such as epigastric pain, chills, fever, jaundice, it is possible that the stone has led to obstruction, infection, and then we should go to the hospital in time for examination. If the surgical indication is reached, surgical incision is needed to remove the stone, so that the narrow bile duct can be opened. Therefore, for 6*5mm intrahepatic bile duct stones, if there is no symptom, it is not serious for the time being, but it should be examined in a period of time to avoid the disease from progressing.