Patient: Description of the condition (time of onset, main symptoms, hospital visited, etc.): Poor appetite, examination was performed and liver tumor was found and had broken through to surround the tumor. No treatment was performed The hospital doctor suggested interventional therapy first, after which further surgery could be performed only after good results. What is interventional therapy and what are the negative effects? The principle is to cause necrosis of tumor cells through local heat therapy or cell dehydration to achieve the therapeutic effect on tumor. 2, TACE, i.e. chemoembolization, because TACE, i.e. chemoembolization, because liver tumor is arterial blood supply, while the normal tissues of liver are mainly venous blood supply. The current interventional treatment belongs to one aspect of tumor treatment, and the treatment of tumor is a comprehensive treatment.