The kidneys have detoxification, drainage and part of the endocrine function, once the kidney function is reduced on the body’s impact is relatively large, in order to reduce the occurrence of kidney disease and kidney function can be protected from the following aspects: First, to avoid self-administered drugs. At present, the first cause of kidney damage is drugs, especially antibiotics and proprietary Chinese medicines. Therefore, we should avoid taking these drugs on our own, and if we must take them, we need to apply them under the guidance of professional physicians; secondly, we should avoid infections. Some kidney diseases are caused by infections, such as acute glomerulonephritis and acute pyelonephritis. Therefore, we must pay attention to warmth to avoid infection and pay attention to the cleanliness of the perineum to avoid the occurrence of urinary tract infections; third, to drink more water and urinate regularly. Some kidney diseases have a lot to do with drinking too little water, such as kidney stones and urinary tract infections. So usually try to develop the habit of drinking more water and urinating more often and not to hold urine.