The former is a malignant tumor of the liver itself, while the latter is a metastatic tumor. Primary hepatocellular carcinoma starts insidiously and lacks typical symptoms in the early stage. Patients often have persistent distension or dull pain in the liver area, progressive hepatomegaly with different degrees of pressure pain, and jaundice, splenomegaly, ascites and other manifestations of liver cirrhosis in the late stage. Patients also have progressive wasting, fever, loss of appetite, fatigue, malnutrition and cachexia. If metastasis occurs in the lung, bone and chest, the symptoms of the corresponding site can be produced. Section 2: Rehabilitation care 1. Pay attention to dietary hygiene in daily life and abstain from drinking strong alcohol. 2.Actively prevent and treat viral hepatitis and liver cirrhosis; do a good job in keeping food, preventing mold and mildew, protecting water sources and preventing pollution. It has a significant effect on the prevention of liver cancer. Moldy peanuts, soybeans, corn, grease and other grain and oil food contains aflatoxin, etc. Aflatoxin has shown strong carcinogenic power in animals, and according to surveys in Africa and Southeast Asia, aflatoxin in food is closely related to the incidence of liver cancer in the population. Therefore, special attention should be paid to the fact that all moldy food must be forbidden, which is necessary for cancer prevention. 3.At the same time, we should ensure sufficient nutrition, generally high protein, high sugar, high fat and high vitamin is appropriate. It is advisable to use more foods that can protect the liver, such as snapper, artichoke, shiitake mushrooms, enoki mushrooms, cuttle beans, etc. It is important to keep bowel movements smooth and to have fresh vegetables and fruits at every meal. Avoid raw, cold and unclean fruits, as well as coarse fiber fruits. For example: pineapple, walnuts, chestnuts, almonds, etc. If you need to eat, you must soften them with water or process them into fine powder before eating. 4, identify the food: liver and spleen enlargement, can choose kelp, sea turtle, loach, coix, etc.; ascites, choose red beans, kelp, quail, carp, carp, duck, etc.; jaundice, choose wild rice, water chestnuts, carp, crucian carp, clams, goldenseal, sweet potato, etc. Section 3: Nature of food 1, the choice of staple foods Choose easily digestible rice and noodles. Avoid sorghum rice and beans and other undigestible pasta, rice and noodle products should not be fried. 2, the choice of meat Turtles, tortoises, snappers, oysters, etc. have a liver-protective effect. Black fish, carp and crucian carp have auxiliary effect on eliminating ascites of liver cancer. The following vegetables have beneficial effects on liver and spleen: shiitake mushroom, mushroom, cuttle bean, adzuki bean, kelp, wakame, purple cabbage, wild rice, golden needle cabbage, cucumber, etc. 4, the choice of fruits should often eat fruits rich in vitamin K and vitamin C: mulberry, plum, kumquat, persimmon cake, prunes, hawthorn, etc..