The main groups of people with high incidence of liver cancer are as follows: 1. Liver cancer often occurs in young and middle-aged people, who are in an important stage of life, and their contribution to the society and the country, and their help to people, are all reflected in this time period. Through various media, magazines, TV, etc., we will see that many celebrities have malignant tumors when they are young and middle-aged, especially liver cancer and pancreatic cancer; 2. Some people are infected with hepatitis, especially hepatitis B major triplet, and the viral content replicates endlessly in the body, which is also one of the special high-risk groups; 3. Long-term drinkers are prone to liver damage and progress to alcoholic cirrhosis, which is also one of the high-risk groups. 4, genetic factors, that is, a family history, also need to pay special attention.