Dietary contraindications after prostate cancer surgery are as follows: 1, avoid smoking, alcohol, coffee, etc.; 2, avoid onion, garlic, ginger, cinnamon, peppercorns, chili peppers and other spicy and stimulating food; 3, avoid mold, frying, fat and greasy, as well as animal fats and other foods rich in saturated fatty acids; 4, avoid eating mutton, dog meat, animal kidneys, whips and other aphrodisiac foods; 5, eat more food rich in plant protein content, chicken, fish, shrimp, and other white meats, as well as fresh fruits and vegetables, micronutrients and vitamin E, etc.