Renal transplant patients post-operative diet is more important, diet should pay attention to the following aspects: 1, light diet is the main, do not eat spicy food; 2, kidney transplants need to take immunosuppressants, grapefruit and other fruits can increase the concentration of cyclosporine, life should avoid intake; 3, cold food is not conducive to digestion, should avoid intake; 4, because of long-term application of immunosuppressants after kidney transplantation, resistance is low, it is recommended that patients eat a normal diet, no need to limit protein and water intake; 5, avoid smoking and alcohol: because of tobacco and alcohol damage to blood vessels, can produce damage to the transplanted kidney.