PROBLEM TO BE SOLVED: To provide a blood purification system enabling easy change of blood purification means to treat a determined patient and to improve an operation ratio in blood purification treatment.SOLUTION: The blood purification system includes: plural pieces of blood purification means 1 and central management means 2 capable of storing specific information of a patient and information about a treatment condition of the patient and transmitting the specific information of the patient and information about the treatment condition of the patient to determined blood purification means 1. The blood purification system further includes: treatment side transmission means 9 arranged in each blood purification means 1 and capable of determining patient determination information determining the patient and blood purification means determination information determining the blood purification means 1, to the central management means 2 and central side transmission means arranged in the central management means 2 and capable of transmitting the treatment condition of the patient determined by the patient determination information to the blood purification means 1 determined by the blood purification means determination information.
