People can live without kidneys, for example, they can prolong their survival through kidney replacement therapy. Kidney is an important organ of human body, mainly plays the role of maintaining the stability of internal environment. After the complete loss of kidney function, it is uremia, which needs dialysis treatment or kidney transplantation. There are many clinical reasons that can cause impaired kidney function, such as chronic nephritis, diabetic nephropathy, hypertensive kidney damage, etc. It is necessary to avoid the deterioration of these kidney diseases through active treatment in the early stage. Pay attention to monitoring changes in the process of medication, and in daily life, the protection of the kidney is to pay attention to not staying up late, overworking, not smoking, drinking, overeating, and not abusing drugs to avoid kidney damage.