The occurrence of renal atrophy makes many people’s bodies endure the hazards, for renal atrophy disease, many people do not know the predisposing factors of such diseases and serious hazards, leading to the aggravation of such diseases, posing serious hazards to the daily lives of patients, we should do a good job in the usual daily causes of renal atrophy, do a good job of scientific and effective prevention, the following we describe the causes and hazards of renal atrophy. Kidney atrophy seriously endangers the health of patients, and easily lead to other complications, in the process of scientific treatment of kidney atrophy disease, in addition to strengthening the preventive measures of kidney atrophy, but also chronic regulation of the condition, active treatment, to prevent the occurrence of chronic kidney failure. There are many factors that trigger the onset of renal atrophy disease in daily life, experts pointed out that the occurrence of renal atrophy, in addition to their own factors, should also avoid or eliminate certain risk factors application of drugs toxic to the kidneys, serious infections, dehydration, to prevent kidney disease triggered by greater harm, in addition, regular, high-quality follow-up, can reduce or avoid the occurrence of these risk factors, or early detection and correction. Experts say that patients with renal atrophy should pay more attention to daily dietary regimen and health care in the process of choosing treatment. A reasonable diet plan low protein, low phosphorus and low fat diet has been laboratory and clinically proven to protect renal function in chronic kidney disease. It is now emphasized that in order to prevent the development of chronic renal failure, protein intake should be restricted at a blood muscle intoxication of 159.1 micromol/liter. Changes in blood pressure are also apt to trigger renal atrophy, for which the patient can control blood pressure by drug intake. The application of angiotensin-converting enzyme inhibitors not only controls systemic hypertension, but also prevents the more serious harm caused by this type of disease. The above aspects are the causes and hazards of renal atrophy, we should seriously understand and pay attention to this type of disease, once found to have renal atrophy disease performance, timely treatment to the hospital to avoid the deterioration of renal atrophy disease, leading to the emergence of other similar diseases, in addition, we should pay attention to the protection of the kidneys in general, regular scientific examination.