It is an exploratory clinical study aimed to evaluate the efficacy and safety of TACE combined with Lenvatinib in the treatment of patients with BCLC stage B and C HCC.Treatment will continue until the death or intolerable toxicity or patients withdrawal of consent,and the target sample size is 54 individuals.

This is a prospective, single-center and single-arm exploratory clinical study designed to evaluate the efficacy and safety of TACE combined with Lenvatinib in the treatment of patients with BCLC stage B and C hepatocellular carcinoma.Treatment will continue until the death or intolerable toxicity or patients withdrawal of consent,and the target sample size is 54 individuals.

Inclusion Criteria:

- 1. Histopathologically or clinically confirmed unresectable hepatocellular carcinoma.

2. Age ≥ 18 years at time of study entry. 3. Child-Pugh scores <7. 4. Performance status (PS) ≤ 2 (ECOG scale). 5. BCLC stage B, some patients in stage C (Vp2-3). 6. The patient and/or his family agreed to join the clinical trial and sign the informed consent form.

Exclusion Criteria:

• 1. Have received TACE or other local treatment for liver cancer (except bridged liver transplantation).

  2. Main portal vein tumor thrombus or complicated with extrahepatic metastasis. 3. Tumor burden≥70% , diffuse liver cancer or tumor is not suitable for mRECIST standard evaluation.

  4. Have received systemic chemotherapy, sorafinib or other targeted therapy or immunotherapy.

  5. Estimated life expectancy of <3 months. 6. There is a significant decrease in white blood cells and platelets in peripheral blood, severe coagulation dysfunction and can not be corrected：the neutrophil<1.5×109/L, PLT<50×109/L. The INR>2.3.

  7. Renal dysfunction：serum creatinine (SCR) >176.8 μmol/L（2 mg/dL）or creatinine clearance rate (Ccr) <30 mL/min.

  8. Serious heart, lung, brain or other important organ diseases. 9. Pregnant or lactating women. 10. cannot cooperate with TACE operation and sign informed consent form.