Postoperative precautions for liver abscess include continuing anti-inflammatory treatment, nutritional support, dietary adjustment, appropriate exercise, and attention to the surgical incision. 1. Continuing anti-inflammatory treatment: after liver abscess surgery, the doctor should prescribe to continue anti-inflammatory treatment, such as cefoperazone, metronidazole, etc., and adjust the antibiotic medication according to the drug sensitivity test. 2. Nutritional support: liver abscess is a huge consumption of the body, and the amount of oral food supplementation may be insufficient. Parenteral nutrition and enteral nutrition can be supplemented through vein as appropriate. Fresh frozen plasma and albumin may even need to be supplemented. 3. Adjustment of diet: If the food is not good, slowly transition from liquid diet to normal diet. The diet should be high-calorie and high-protein, such as eating more chicken, fish and duck. Yogurt can be added appropriately to supplement intestinal probiotics. 4. Appropriate exercise: it is generally recommended not to overwork after surgery, exercise to walk and other main, should not be strenuous exercise. You can gradually increase the amount of exercise according to the amount of exercise of the previous day. Strenuous exercise is not recommended within 4 weeks after surgery. 5. Pay attention to the surgical incision: before the wound heals, it is recommended to change the medicine every 3 days or so, you can go back to the hospital or change the medicine in the local hospital. Observe the condition of the wound every day and contact your doctor promptly if there is any redness, swelling or pus. 6. Treatment should be directed at the triggering factors of liver abscess, such as choledochotomy for gallstones and active control of blood sugar. If there is any discomfort after liver abscess surgery, it is recommended to consult a doctor actively to avoid delaying the condition.