blood purifying apparatus of the present invention (100), to determine the execution flow of the pump execution flow determining section (170), according to the execution flow of the pump as determined by the execution flow determination unit (170), a pump control section for controlling the driving of the pump and (172) are determined by the execution flow determination unit (170) Based on the execution flow of the pumps, operating temperature determination unit that determines the operating temperature of the heat source unit (130) and (180), according to the operating temperature of the heat source device as determined by the operating temperature determination part (180) (130) It provided the heat source device control unit for controlling the amount of heat conduction between the heat source device (130) and liquid and (182).本発明の血液浄化装置(100)は、ポンプの実行流量を決定する実行流量決定部(170)と、実行流量決定部(170)によって決定されたポンプの実行流量に従って、ポンプの駆動を制御するポンプ制御部(172)と、実行流量決定部(170)によって決定されたポンプの実行流量に基づいて、熱源器(130)の動作温度を決定する動作温度決定部(180)と、動作温度決定部(180)によって決定された熱源器(130)の動作温度に従って、熱源器(130)及び液体間を伝導する熱量を制御する熱源器制御部(182)とを備える。