What patients with advanced liver cancer need most is to enhance immunity to resist cancer cells, and protein powder has certain effect of enhancing immunity, so it can be taken appropriately. Meanwhile, diet should pay attention to nutritional health and balance, strictly control crude fiber diet, avoid stimulating food, such as greasy food, raw and cold brine, fried, smoked and pickled products, etc., and do not eat too hot, too cold, or too hard food. Try to avoid, or even quit drinking alcohol and smoking, and do not drink strong tea and coffee. Patients with advanced liver cancer cannot eat too much, and the metabolic capacity of liver is limited, too much eating will lead to accelerated organ failure of liver cancer patients, protein powder’s protein decomposes in liver, so if patients with hepatic encephalopathy tendency, it is better to use protein powder less. Because the protein of protein powder metabolizes too much in the intestines of the body, it will produce a lot of ammonia, which will lead to inhibitory neurotransmitters after being absorbed into the blood, thus inhibiting the brain activity, which may lead to hepatic encephalopathy in serious cases and aggravate liver coma.