Post-interventional change in liver cancer means that the liver is in a different state after the interventional procedure than it was before the procedure. Post-interventional changes in liver cancer may work well. If there is iodine oil deposition on top of the liver cancer lesion and the more iodine oil deposition there is, the more ideal the effect tends to be, the liver tumor markers may appear to decrease, the liver function indexes return to normal and so on. Changes after interventional surgery for liver cancer may also appear deterioration, if the tumor is huge with intrahepatic dissemination, so after surgery, no good recovery is obtained, and the deterioration is caused. Therefore, liver cancer patients must carry out follow-up treatment under the guidance of doctors according to the relevant examination results after surgery. After liver cancer intervention, it is necessary to go to the hospital for review in time, so as to avoid postoperative changes bringing bad consequences to the body.