Hepatic occupancy is a higher chance of cancer, which usually means having hepatobiliary, pancreatic and splenic ultrasound, having hepatic occupancy or hepatitis B disease, having hepatitis B carrier, or drinking alcohol for a long time will cause cancer possibility. Primary hepatocellular carcinoma is a malignant tumor occurring in hepatocytes or intrahepatic bile duct cells, and is one of the common malignant tumors in China, with a very high death rate. It usually occurs in older men and is less common in women. Cancer is generally caused by hepatitis B virus, which is the main cause. Then there is the drug of eating aflatoxin, animal liver cancer is also the strongest carcinogenic agent. Then there is family history, liver cancer, stomach cancer, chemical drugs, biological drugs, poisoning, all of which have causative factors. Generally, early intrahepatic metastasis occurs earlier and is also common, with intrahepatic spread within the ipsilateral liver lobe, which usually involves the contralateral liver lobe first, and intrahepatic spread is the most common. Then, lymphatic metastasis is also common, direct spread, early stage will also have pain in the liver area, slowly clinical symptoms to the middle and late stage, there will be gastrointestinal symptoms, systemic symptoms, weight loss, weakness, wasting, malignant disease, abdominal fluid. If detected early, surgery can be performed to remove liver cancer lesions, interventional therapy and chemotherapy are also available, and active surgery is generally recommended in early stage. If you have hepatitis B, you should treat hepatitis B, lower transaminases, preserve liver and prevent more complications from occurring, prevent bleeding, hypoproteinemia, massive ascites, perforation a series of symptoms.