• Aged 18-75 years old (inclusive);

• HCC is confirmed by preoperative pathological examination or meet the criterion of diagnosis and treatment norms of primary HCC issued by health commission, PRC. No prior systemic chemotherapy, immunotherapy, targeted therapy, or other anti-tumor treatments for HCC;

• Patients with CNLC IB or IIA stage tumors before surgery and meeting the following conditions: radiological evaluation shows narrow or none surgical margins, and preoperative tumor markers AFP+PIVKA is greater than 1600.

• ECOG score of 0 before the first administration of the study drug;

• Child-Pugh scores is 5-6 points and liver function is grade A;

• Expected survival time of at least 16 weeks;

• Pre-administration organ function levels meet the requirements and are tolerant of surgery. The functional indicators of important organs meet the following requirements: hemoglobin ≥90g/L, neutrophil count ≥1.5×10⁹/L, platelet count ≥100×10⁹/L; aspartate aminotransferase or alanine aminotransferase ≤5 times the upper limit of normal (ULN), alkaline phosphatase ≤2.5 ULN, serum albumin ≥30g/L; serum creatinine \<1.5 ULN; international normalized ratio (INR) ≤2 or prothrombin time (PT) within the upper limit of normal range ≤6 seconds; serum creatinine ≤1.5 ULN, creatinine clearance rate ≥60 mL/min.

• Male and female participants of childbearing potential must agree to use effective contraception throughout the study period;

• Sign an informed consent form and agree to provide previously stored tumor tissue specimens or fresh biopsy specimens of the tumor lesion.