Kidney diseases such as renal artery stenosis, renal failure and other diseases, can cause hypertension, as follows: 1, renal artery stenosis, due to atherosclerosis and other reasons, renal artery stenosis, the main symptom is hypertension, the cause is due to renal artery stenosis, renin – angiotensin secretion increases caused by vasoconstriction, sympathetic activation caused by increased secretion of aldosterone, so it causes high blood pressure, the treatment is To improve the renal artery stenosis, can be put into the stent and other treatments. 2, renal failure, if the patient has acute renal failure, at this time there will be oliguria or anuria, elevated blood pressure and other symptoms, the mechanism of elevated blood pressure is due to the patient’s oliguria or urination, sodium retention caused by hypertension, at this time, can be applied to the treatment of high-dose hormone or dialysis, the renal function has been improved, the blood pressure naturally return to normal.