Objective:to Study the clinical outcomes of hepatectomy with Nutritional risk After Preoperative Nutritional Support.

Study design:

1.Prospective，randomized, controlled clinical study;2.Patients: The subjects were from Peking Union Medical College Hospital (PUMCH).

Study arrangement:

1. The collection of patients with selected standard
2. Preoperative evaluation included nutritional status,liver function and tumor characteristics
3. The experimental group received Preoperative Nutritional Support for 4 days,the control group got nothing
4. Both groups received conventional therapy after operation
5. The comparation of the clinical outcomes in both groups

Inclusion Criteria:

1. A diagnosis of hepatocellular carcinoma (HCC) was made before operation
2. Nutritional Risk Screening 2002(NRS-2002) was Greater or equal 3 points with in 24 hours after admission