Stones of the hepatobiliary system: including intrahepatic bile duct stones, common hepatic duct stones, common bile duct and gallbladder stones. Stones in the hepatobiliary system are common and frequent in surgery. It occupies a primary position among the acute abdominal diseases. Because of their complex etiology, they are broadly related to obstruction, infection, pancreatic reflux, abnormal lipid metabolism, biliary stasis, and gender, age, genetics, obesity, fertility, geography, dietary habits, emotions, and other diseases. Therefore, how to effectively inhibit or eliminate lithogenic factors in the hepatobiliary system and protect the liver and biliary function is the most important to prevent the recurrence of hepatobiliary stones. 1.Avoid the production of lithogenic bile. Such as diet regulation: appropriate control of high-fat, high-cholesterol and high-calorie foods (fatty meat, chicken, milk, beef, animal offal and sugar, etc.). Do not fast or restrict food for a long time (two meals per day), and do not overeat. Control the consumption of alcohol or avoid alcohol. Eat less spicy and thick food, eat more vegetables and fruits, etc. Make the intestinal tract smooth and facilitate the discharge of bile. 2. Patients suffering from cholecystitis, cholangitis, hepatitis, biliary roundworm, intestinal roundworm, diabetes and gastric disease should be detected and treated early to prevent stone formation due to diseases. Early prevention and treatment of various infections in the body and early release of obstruction of the biliary system. 3. Patients who have undergone surgery for liver, bile duct or gallbladder stones should go to the hospital regularly for ultrasound or other examinations to prevent the recurrence of stones after surgery. Take Chinese and Western medicines regularly to de-stuff the liver and bile ducts, dissolve stones and remove stones. 4. Female patients should minimize childbirth to avoid excessive secretion of estrogen in the body. 5. Pay attention to personal hygiene and actively participate in physical activities to enhance the ability to resist diseases. Change the habit of sitting still for a long time to prevent body obesity. Drink more warm boiled water or magnetized water to maintain good function of liver and gallbladder and prevent bile stasis. 6.Take Chinese herbal medicines such as moneywort, yujin, inchi, umeboshi and rhubarb regularly or under the guidance of professional doctors. 7.Maintain a good mood and avoid anxiety and anger. Establish the confidence to overcome the disease. Pay attention to the status and role of three parts treatment and seven parts nourishment in the prevention and treatment of stone disease. Mobilize the positive factors in the body, self-intervention and cooperation with treatment. In order to achieve the purpose of prevention and treatment.