I. Disease concept Common bile duct stones are stones located in the common bile duct. The incidence is about 20% of gallstone disease in women than in men, and the incidence is high in rural areas of China. Etiology Choledocholithiasis can be divided into primary and secondary, among which primary stones are more common. Secondary common bile duct stones are caused by gallbladder or intrahepatic bile duct stones discharged into the common bile duct. Primary common bile duct stones are formed in the bile duct, and their production is related to bile duct infection, bile stagnation and bile duct parasites. Clinical manifestations 1. abdominal pain Pain is located in the right upper abdomen or heart fossa, with paroxysmal colic or persistent pain paroxysmatically increasing and firing to the back of the right shoulder, accompanied by nausea and vomiting. The chronic phase may be asymptomatic or only have epigastric discomfort. 2, chills, high fever The chronic phase may have occasional fever, and the acute attack is chills, high fever, and often accompanied by abdominal pain appears, the temperature can be up to 40 degrees or more. Jaundice The time of appearance, severity and duration of jaundice depend on the degree of common bile duct obstruction. The skin and sclera appear yellowish, urine deep yellow, stool clay color. 4.Shock. 4. Rehabilitation guidance 1. Pay attention to rest and avoid strenuous exercise within one month after surgery; 2. Eat a reasonable diet, and it is advisable to eat regularly and quantitatively, with a small number of meals and not too much. Avoid overeating within 2~3 months after surgery, and give high protein, high vitamin, low fat, easy to digest diet with small amount of meals. Do not eat animal brain, kidney, egg yolk, fish roe, fried food, spicy products, quit smoking and alcohol. It is advisable to eat more radish, green vegetables, beans, soy milk and other foods, in addition, should supplement some fruits, fruit juices, etc., to make up for the loss of vitamins; 3, follow the doctor’s instructions to review on time, with T-tube patients discharged from the hospital to keep the drainage tube unobstructed, fixed, sterile, regular methotrexate or saline plus gentamicin flushing, change the wound dressing. If the yellow bile is aggravated, the wound is red, swollen and purulent, seek medical attention immediately; 4, develop good hygiene habits, such as washing hands before and after meals, not eating raw food, and washing vegetables; 5, take deworming drugs regularly, adults should be dewormed once every 2-3 years.