To provide an optimized hemodialysis system such as capable of suppressing variations in a blood pressure according to the individual difference of a patient.The system is configured to include: blood related information acquiring means configured to acquire blood flow information and patient biological information in a blood circuit for hemodialysis, the patient biological information being peripheral vascular resistance information, blood pressure information, face information, body movement information, temperature information, and humidity information and the like； individual difference information managing means configured to acquire and manage patient individual difference information from the blood related information； and optimized dialysis means configured to perform optimized dialysis treatment for the patients on the basis of the patient individual difference information.
