Whether the patient’s left nephrectomy has a serious impact on the human body should be objectively analyzed based on whether the patient’s right kidney function is normal or not, as well as the primary disease of the left kidney and other factors: a. If the patient’s right kidney function is normal, the left kidney due to malignant tumors surgical resection of complete. In this case, the right kidney can completely compensate for the body’s function of urine excretion, and will not cause serious impact on the patient’s normal life. However, patients should actively protect the right kidney function to avoid re-injury. Second, if the patient’s right kidney function is not complete, the left kidney due to serious infection or malignant tumor surgical resection, at this time the patient’s right kidney can not meet the body’s function of urine excretion, the patient will have uremia, the later need for long-term dialysis treatment, which seriously affects the patient’s normal life.