Creatinine is an important indicator of kidney function in blood test, the reasons for high creatinine measurement are as follows: 1, first of all, rule out test errors, you can go to the hospital to recheck again, if it is still elevated, you need to find a doctor to further clarify the cause, because the simple creatinine may not cover the diagnosis of kidney disease; 2, creatinine elevation may be caused by eating a lot of meat, maybe high blood pressure caused by nephropathy, maybe other causes of nephritis and kidney failure, all need a nephrologist to make a comprehensive examination, and then make a comprehensive assessment.