The diet of prostate cancer patients should choose high-protein food, food as much as possible to choose high-quality food containing high protein, low fat and cholesterol, such as various kinds of fish and shrimp, easy-to-digest fish and shrimp dishes can be made, sea cucumber has anti-cancer effect, sea cucumber minced pork and carrot rice porridge can be made for consumption. Eggs can be consumed 1-2 times a day, or duck eggs or quail eggs, etc. Pills and ribs made with lean meat can also be consumed in moderation. Animal liver is a good high-protein food, patients can consume about 50g per day, and patients with high blood lipids should eat a limited amount. It should also be eaten together with green leafy vegetables, milk, probiotic yogurt, a little honey can be added for patients to eat to improve their immune function, prevent anemia as well as anti-cancer, and can be used as additional food for patients.