A medical pump housing rack which includes a control unit and a communication module, houses a plurality of medical pumps, and is communicatively connected to the plurality of medical pumps (221,222,223) via the communication module, wherein the communication module is configured to notify to the control unit a received data from one of the medical pumps (221, 222, 223) via a corresponding one of the ports (211, 212, 213) of the medical pump housing rack and a port number of the corresponding one of the ports (211, 212, 213), and when the communication module receives a pair of the port number and data from the control unit, the communication module is configured to output the data from the control unit to one of the ports (211, 212, 213) which corresponds to the port number; and wherein the control unit performs: a cooperation permission/inhibition determination processing for determining whether two predetermined medical pumps (221,222) of the plurality of medical pumps (221,222,223) are configured to operate in cooperation with each other, based on information indicating housing positions at which the two medical pumps (221,222) are respectively housed and drug information respectively set for the two medical pumps(221,222); and a cooperation permission notification transmission processing for, if it is determined in the cooperation permission/inhibition determination processing that the two medical pumps (221,222) are configured to operate in cooperation with each other when the two medical pumps are housed adjacent to each other and when the drug information respectively set for the two medical pumps (221, 222) match, transmitting, to the two medical pumps (221,222) which are communicatively connected together via the communication module, cooperation permission notifications for validating operation of issuing infusion start instructions for a drug to the two medical pumps(221,222). wherein the communication module is configured to notify to the control unit a received data from one of the medical pumps (221, 222, 223) via a corresponding one of the ports (211, 212, 213) of the medical pump housing rack and a port number of the corresponding one of the ports (211, 212, 213), and when the communication module receives a pair of the port number and data from the control unit, the communication module is configured to output the data from the control unit to one of the ports (211, 212, 213) which corresponds to the port number; and wherein the control unit performs: a cooperation permission/inhibition determination processing for determining whether two predetermined medical pumps (221,222) of the plurality of medical pumps (221,222,223) are configured to operate in cooperation with each other, based on information indicating housing positions at which the two medical pumps (221,222) are respectively housed and drug information respectively set for the two medical pumps(221,222); and a cooperation permission notification transmission processing for, if it is determined in the cooperation permission/inhibition determination processing that the two medical pumps (221,222) are configured to operate in cooperation with each other when the two medical pumps are housed adjacent to each other and when the drug information respectively set for the two medical pumps (221, 222) match, transmitting, to the two medical pumps (221,222) which are communicatively connected together via the communication module, cooperation permission notifications for validating operation of issuing infusion start instructions for a drug to the two medical pumps(221,222). a cooperation permission/inhibition determination processing for determining whether two predetermined medical pumps (221,222) of the plurality of medical pumps (221,222,223) are configured to operate in cooperation with each other, based on information indicating housing positions at which the two medical pumps (221,222) are respectively housed and drug information respectively set for the two medical pumps(221,222); and a cooperation permission notification transmission processing for, if it is determined in the cooperation permission/inhibition determination processing that the two medical pumps (221,222) are configured to operate in cooperation with each other when the two medical pumps are housed adjacent to each other and when the drug information respectively set for the two medical pumps (221, 222) match, transmitting, to the two medical pumps (221,222) which are communicatively connected together via the communication module, cooperation permission notifications for validating operation of issuing infusion start instructions for a drug to the two medical pumps(221,222).