Abstract: The dialysate concentration is generally expressed by the dialysate conductivity monitoring value, and its accuracy and stability are the guarantees for the patient to achieve adequate dialysis treatment. According to the national metrology technical specifications, the conductivity parameters of hemodialysis machines in medical institutions in Jiangsu province were tested using a hemodialysis machine tester. The results showed that the qualified rate of hemodialysis machine conductivity parameter detection was 99.9%. By analyzing and discussing the reasons for the inaccuracy of conductivity, this paper provided a reference for the clinical management of hemodialysis machines in hospitals at all levels.