Early stage of uremia can be carried out blood tests, urine tests, imaging tests and so on. Mainly check the condition of kidney function, in addition to see whether there is acidosis, electrolyte disorders, anemia and so on. 1. Blood test: for example, blood routine, liver function, kidney function and other tests, to determine whether the patient suffers from anemia and the degree of anemia, as well as whether the patient has abnormalities in liver function, kidney function and other conditions. 2. Urine examination: for example, urine routine, 24-hour urine protein quantitative examination, etc., to determine whether the patient because of uremia caused proteinuria, tubular urine and other phenomena, but also according to the results of the examination to assist in determining the degree of damage to the patient’s renal function. 3. Imaging examination: such as renal ultrasound, renal CT examination, etc., through the imaging results to determine whether the patient’s kidney morphology, volume is abnormal, as well as whether it is combined with kidney stones, hydronephrosis and other diseases. It is recommended that patients with early uremia go to regular hospitals in time to improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy under the guidance of the doctor.