Fibrous infarction of the small renal artery is a symptom of primary malignant hypertension. So, how to prevent patients with small renal artery with fibroinfarction? The following is a brief introduction: 1, exercise: strengthen physical exercise to increase the resistance of the body. Pay attention to the combination of work and rest, you can insist on walking every day, to the extent that the self does not feel fatigue, but also qigong exercise, taijiquan, gymnastics, in order to enhance physical fitness, improve the body’s resistance, prevent colds and flu, to prevent aggravation of the disease due to respiratory infections and other triggers. 2, keep urine smooth: urine smooth, indicating that the normal excretory function of the kidneys, if urethral obstruction occurs, urine is not smooth, it will increase the chance of inflammation of the renal pelvis and renal parenchyma, increase the burden on the kidneys, and even the occurrence of urine poisoning. The common causes of poor urination are urinary stones, prostate enlargement, tumors, tuberculosis, etc. 3, pay attention to diet: pay attention to eating light and easily digestible food, avoid forbidden arbitrary food, so that patients understand the importance and necessity of a proper diet, avoid eating hard and cold things, overeating, overeating fatty and sweet products, to protect the kidneys need to eat protein and sugar, should not eat a diet containing too much fat, too much fat in the diet, prone to renal arteriosclerosis, so that the kidneys atrophy degeneration, causing arteriosclerotic kidney disease, alkaline food Beneficial to the kidneys, can prevent and control urinary tract stones, but also appropriate to eat some winter melon, white fungus root, adzuki beans, mung beans, etc., for diuretic and clear heat, to protect the kidneys are beneficial. 4, symptomatic care. 5, recreation and work: as little as possible to participate in social activities, patients once diagnosed with kidney disease, at the beginning of the stage, should be rest-oriented, active treatment, observe changes in the condition, if the condition improves, edema subsides, blood pressure returns to normal or close to normal, urine protein, red blood cells and a variety of tubular trace, kidney function is stable, then 3 months later can begin to engage in light work, avoid stronger physical labor, prevent respiratory and urinary tract infections.