Interventional therapy has become an important treatment for primary hepatocellular carcinoma (HCC). According to statistics, about 80% of hepatocellular carcinoma patients need interventional therapy, which includes transhepatic artery chemoembolization (TACE), local ablation (including anhydrous alcohol ablation, microwave ablation, radiofrequency ablation, argon helium knife ablation, etc.) and the combination of local ablation + TACE double intervention. The most suitable treatment plan should be formulated according to the size, number, location and distribution of the tumor as well as the liver function status and general physical status score of the patient, so as to maximize the clinical benefits of the patient. Usually, patients are discharged from the hospital 3-5 days after hepatocellular carcinoma intervention and enter the interval of treatment. When should they be checked? According to different treatment methods, the review strategies are also different: 1. Image review after transhepatic artery chemoembolization (TACE): it should be done in 2 steps, the first step is to review the CT scan of liver 3-4 weeks after surgery to understand the deposition of iodine oil (embolic drug injected during intervention) in the tumor, also known as “iodine oil CT imaging”. “It is a visual method to evaluate the efficacy of the intervention and an effective method to detect small cancer foci. Because iodine oil is “pro-tumor”, it will carry a large amount of mixed chemotherapeutic drugs into the tumor selectively to kill the tumor, and the tumor tissue lacks the ability to remove iodine oil, while the normal liver tissue can remove the small amount of entering iodine oil within 3-4 weeks, so 3-4 weeks after the operation is the best time to do post-interventional CT imaging. Therefore, 3-4 weeks after surgery is the best time point to do post-interventional “iodine oil CT imaging”. The second step is to review the enhanced MRI or enhanced CT 6-8 weeks after the operation to understand whether the tumor is active in the liver and whether there are new lesions, to guide the development of further treatment plan, and if necessary, to enter the next treatment cycle. 2.Image review after local ablation therapy: local ablation therapy can achieve the same radical effect as surgical resection for strictly selected cases, but has the advantages of less trauma, faster recovery, less risk and lower cost compared with traditional surgery. The recommended time node for image review is 1 month after surgery, with the first choice of enhanced MRI and the second choice of enhanced CT, in order to understand the effect of ablation therapy and timely adjust the review and The purpose is to understand the effect of ablative treatment and adjust the review and treatment plan in time. If tumor inactivation is confirmed, we can enter into the routine review protocol, i.e., it is recommended to recheck AFP and liver ultrasound once/3 months. If the tumor is still found to be active, then the remedial treatment program will be entered immediately. 3. Imaging review after combined local ablation + TACE dual interventional procedures: The time point for review is still 1 month after surgery, and the choice of review is preferred to liver CT plain + enhanced MRI, and second to liver CT plain plus enhancement. This way, we can understand whether there are microscopic iodine oil deposited lesions in the liver, and confirm whether the ablation lesions are completely inactivated, and decide further review and treatment plan. Of course, each time the imaging is reviewed, blood should also be drawn for routine blood tests, liver and kidney function, and AFP, as appropriate, and HBV-DNA should be reviewed at the appropriate time to monitor the replication of the hepatitis B virus and decide whether antiviral treatment is needed or to adjust the original antiviral treatment plan.