Primary liver cancer is one of the most common malignant tumors in clinical practice, with about 600,000 new cases of liver cancer each year worldwide, ranking fifth among malignant tumors. About 80% of liver cancer patients have lost the opportunity of surgery at the time of diagnosis, and most of them also rely on interventional treatment. Interventional therapy for liver cancer refers to a kind of local embolization chemotherapy by injecting embolic agents and anti-cancer drugs into the blood supply artery of liver cancer through femoral artery cannula, which is the preferred method for treating liver cancer by non-open surgery, and its efficacy is sure. There are many advantages of hepatocellular carcinoma interventional therapy. ①The efficacy of interventional therapy is precise, and those who succeed in treatment can see rapid decrease of AFP, shrinkage of tumor and reduction of pain, etc. ②Mechanical science: interventional therapy blocks tumor blood supply, and the local drug concentration is tens of times higher than that of systemic chemotherapy, so the two-pronged treatment has good efficacy and less toxicity than systemic chemotherapy. ③The operation is simple and easy, safe and reliable. ④It can be performed even for the old and weak and those with certain diseases, without general anesthesia and keeping awake. ⑤The cost is relatively low. ⑥It can be repeated, and the diagnostic imaging is clear and easy to compare. ⑦For some hepatocellular carcinoma, it can be reduced in size and then resected in two steps. ⑧It can be used as one of the important means of comprehensive treatment for advanced tumors.