Postoperative care after percutaneous hepatic puncture biliary drainage mainly includes general care and infection prevention. Percutaneous hepatic puncture biliary drainage is used for biliary obstruction caused by malignant tumors, as well as acute obstructive purulent cholangitis and other drainage methods. 1.General nursing: after percutaneous hepatic puncture biliary drainage, fasting should be 24 hours, bed rest, and attention should be paid to monitoring the blood pressure, pulse rate, body temperature, etc.. Those with drainage tubes should prevent the drainage tubes from dislodging, observe the character of bile, and observe the subsidence of jaundice. After discharge from the hospital, patients should choose high-calorie, high-vitamin, high-quality protein, low-fat, easy-to-digest food, such as lean meat, fish, fresh vegetables and fruits, etc., small amount of meals, don’t eat too much at each meal, and at the same time, avoid smoking and alcohol. 2. Prevent infection: pay attention to prevent the occurrence of infection, under the guidance of the physician reasonable application of antibiotics and other drugs.