Human cancer in the top 10 causes of death among occupy first place, Also in cancer and liver cancer patients remains high. Although early by surgery to remove liver cancer, but because of its very covert, not the slightest trace on the surface, it can seldom treatment. Once there liver cancer in the clinical symptoms, the average survival time in patients with only about four to six months or so, therefore, how early detection of liver cancer and liver cancer prevention is the most important goal away from liver cancer. The causes of a liver cancer 1, liver cancer occurs in southern Africa and the Asia Pacific Rim Region, China, as a high incidence area. Liver cancer regardless of age, but 40 people over the age of majority, and male than female high. 2, a family of hereditary liver cancer. Liver cancer and other types of cancer as a hereditary family, therefore, if a person's parents, brothers and sisters of people suffering from liver cancer, liver cancer risk of its occurrence is higher than other people, can be as high as 56.9 percent. It was not immediately clear why the genetic liver cancer, and chromosomal mutation may be acquired or living environment. 3, liver and the long-term use of aflatoxin, in animal experiments, the mice can produce aflatoxin-liver cancer. Aflatoxins mainly exists in the mold of rice, peanuts, corn, and other shell type or its processing products. 4, alcoholic liver disease also have liver cancer, especially in the hepatitis B virus have been patients with long-term drink, caused liver cancer more easily. 5, cirrhotic liver cancer for more derivative, 50 to 90 percent of liver cancer patients with cirrhosis at the same time. 6, liver formation of long-term infection with hepatitis B virus and hepatitis C virus have great relations, in patients with hepatocellular carcinoma, one-third of people with chronic hepatitis history. At the same time it easier for chronic hepatitis caused cirrhosis, which makes hepatitis patients prone to liver cancer.