China is a big country of liver disease, at first the patient is just hepatitis, with the aggravation of the disease will slowly develop into liver cancer, and there is no way to cure this disease, only find ways to take care of it and try to prolong the life of the patient, many friends are very afraid of this disease and are very concerned about its causes. Alcoholism: Generally speaking, alcoholism can lead to alcoholic fatty liver, alcoholic hepatitis and alcoholic cirrhosis. If it is said that in alcoholic hepatitis or hepatic steatosis, the number of Kupffer cells will be reduced, and this can also increase the occurrence of hepatocellular carcinoma, so this is a very important cause of liver cancer. 2. Trace elements: the cause of liver cancer? This can also be one of the causes of liver cancer. Relatively speaking, the mortality rate of liver cancer is negatively correlated with the selenium content in the environment, and it is also negatively correlated with the blood selenium level of residents, and animal tests show that selenium can block aflatoxin, which can induce liver cancer in rats and ducks. 3.Drugs: Usually, certain drugs have cumulative effects, which can also be said to play a carcinogenic role, and this is also very crucial in the causes of liver cancer. After we understand the causes of liver cancer, we have to prevent the occurrence of the disease in our daily life, such as alcoholism, which we can completely avoid. Nowadays, many people are talking about cancer because cancer is the biggest killer of human beings and endangers the health and lives of many people. Because many people do not have special understanding of the symptoms of the disease, this disease cannot be detected early. To treat liver cancer, it should be treated before it is too late, so as not to miss the best treatment time.