Analysis: The mechanism of stone formation is not clear, mainly by metabolism, diet, inflammation, local group configuration and other aspects of the influence is more obvious. Suggestions: For intrahepatic bile ducts, mainly due to the pipeline is relatively small, metabolism, slow blood flow, lipid composition of the imbalance and other factors, so the control of lipids is the key to suggest low salt, low fat and low sugar diet, eat more meals. Advice: There are many treatment methods for intrahepatic bile duct stones, which are roughly categorized into two types: surgical treatment and drug treatment. Surgery and extracorporeal shock wave lithotripsy are two types of treatment, like the traditional surgical treatment, either try to stay up as long as possible, or directly remove the liver and gallbladder, so that patients are discouraged, and the removal of the liver and gallbladder is also very harmful to the body. Extracorporeal shock wave lithotripsy has been clinically proven to be extremely dangerous, and the slightest mishap can cause the stone to block the bile duct and fall into the esophagus, among many other serious consequences. The current non-invasive hepatic lithotripsy is the best way to treat intrahepatic bile duct stones, with the advantages of less trauma and faster recovery. Not only is the treatment effective, safe and efficient, but also does not produce any harm, suitable for patients of all ages.