Lenvatinib Combined Anti-PD1 Antibody for the Advanced Hepatocellular Carcinoma

Inclusion Criteria: 1. HCC diagnosed by histopathological examination or Guidelines for Diagnosis and Treatment of Primary Liver Cancer or the recurrent HCC after surgery; 2. age between 18 and 75 years; 3. Stage B (middle stage) or C (late stage) HCC determined in accordance with Barcelona Clinic Liver Cancer staging system (BCLC stage). In case of stage B. 4. Previous use of any systemic therapy but intolerant, impotent or drug resistant. 5. Child-Pugh class A or B; 6. Eastern Cooperative Group performance status (ECOG) score of 0-2; 7. Hemoglobin ≥ 8.5 g/dL Total bilirubin ≤ 30mmol/L Serum albumin ≥ 32 g/L ASL and AST ≤ 5 x upper limit of normal Serum creatinine ≤ 1.5 x upper limit of normal INR ≤ 1.5 or PT/APTT within normal limits Absolute neutrophil count (ANC) \>1,500/mm3 8. Prothrombin time ≤18s or international normalized ratio \< 1.7. 9. Ability to understand the protocol and to agree to and sign a written informed consent document. Exclusion Criteria: 1. Cholangiocellular carcinoma (ICC); 2. Patients with cancer thrombus in the main trunk of portal vein (Vp4), or cancer thrombus in inferior vena cava should be excluded; 3. The survival or patients less than 3 months. 4. Serious medical comorbidities. 5. Evidence of hepatic decompensation including ascites, gastrointestinal bleeding or hepatic encephalopathy 6. Known history of HIV 7. History of organ allograft 8. Known or suspected allergy to the investigational agents or any agent given in association with this trial. 9. Cardiac ventricular arrhythmias requiring anti-arrhythmic therapy 10. Evidence of bleeding diathesis. 11. Patients with clinically significant gastrointestinal bleeding within 30 days prior to study entry.