Patients with rectal cancer should maintain a positive and optimistic attitude after surgery, face reality, and build confidence in overcoming cancer. In terms of diet, they should diversify their food intake, including consuming more milk, eggs, lean meat, fresh vegetables, and fruits. They should avoid eating Sichuan pepper, chili peppers, alcohol, and similar foods. Patients should reorganize their lives to ensure regularity, cultivate their interests and hobbies, and engage in appropriate physical exercise.