Blood creatinine urea nitrogen high for more than 3 months, not yet on dialysis, what should I pay attention to 1, understand what causes chronic renal failure (i.e. the original disease), and actively treat the original disease to prevent the disease from continuing to damage the kidneys. 2, low salt quality low protein diet: do not be too salty, do not eat too much protein, eat good protein (fish, meat, eggs and milk), otherwise it will increase the burden on the kidneys and accelerate the deterioration of kidney function. Control the intake of phosphorus, sodium and potassium. 3, control blood pressure: to control the blood pressure within the normal range, the elderly appropriate relaxation. The main reason for the formation of kidney stones is diet. It is caused by excessive intake of relevant components in the diet that can form stones, so it is important to restrict the eating of those foods that can easily contribute to the formation of stones. 4, control blood sugar: high blood sugar affects too many things, the whole body can be affected, to try to control blood sugar in the normal range. 5, prevent cold: inflammation will increase the burden on the kidneys, and sometimes the reaction caused by the cold will increase the damage to the kidneys. And people with kidney failure are very easy to catch a cold pneumonia, and some have few symptoms. 6, do not take drugs indiscriminately: many drugs can cause kidney damage, so do not use drugs indiscriminately, including herbs, Western medicine. Tell your doctor that you have a chronic kidney disease problem when you see a doctor for medication. Chinese herbal medicine: Chinese herbal medicine, and proprietary Chinese medicine and some treatments of Chinese medicine are very useful. The creatinine is high to a certain level to be ready to do dialysis, so that it can go smoothly. Otherwise, you will have to go into dialysis after resuscitation is very uncomfortable and very costly.