Blood creatinine 104μmol/L suggests that the blood creatinine is elevated, and there are two kinds of cases, physiological and pathologic, physiological is not serious, and pathologic is relatively serious, and needs timely treatment. Physiological: blood creatinine may increase after strenuous exercise or consuming large amount of meat, which is usually not very serious and will return to normal after removing related factors. Pathological: including acute and chronic renal insufficiency, diabetic nephropathy, etc., which is relatively serious and needs timely medical treatment under the guidance of doctors. If you find elevated creatinine, it is recommended to go to the hospital in time, under the guidance of professional physicians to clarify the cause of the disease, if it is caused by pathological factors, you need to use drugs in time to intervene.