First of all, there may be bleeding or even hemorrhage during the procedure of kidney removal one, which may be life-threatening in serious cases. Secondly, during the surgery of kidney removal, there will be the possibility of infection, such as the possibility of surgical incision infection, intra-abdominal infection and so on. Finally, there may also be difficulty in healing the surgical wound. Patients may have various cardiac arrhythmias and other unexpected situations during the surgery, which may endanger their lives. When the kidney is removed, only one kidney remains, and if this kidney can be fully compensated, the kidney function of the patient may be maintained normally. However, if the only remaining kidney itself has certain problems, the patient may develop chronic kidney failure or even end-stage kidney disease, which is also known as uremia.