After surgery for ureteral cancer, maintenance can be done by improving diet and lifestyle. 1. Improve diet: after ureteral cancer surgery, diet should be light and easy to digest, avoiding spicy and stimulating food or too greasy food, so as not to stimulate stomach and bladder, which is not conducive to the recovery of disease. Foods containing protein and vitamins, such as eggs and milk, apples and vegetables, etc., can replenish the nutrients needed by the body, which will promote the recovery of the condition to a certain extent. 2. Improve living habits: after surgery for ureteral cancer, one should take regular work and rest, pay attention to rest, avoid overwork, combine work and rest with exercise, take proper exercise, enhance physical fitness, keep the local skin clean, prevent infection and so on to relieve the symptoms. After surgery, one should also have regular rechecks, and if any discomfort occurs, please consult the hospital in time to avoid delaying the condition.