PURPOSE: To shorten the wait time of a patient as much as possible as the whole by using plural medicine preparation devices and making respective medicine preparation devices simultaneously perform the processings in parallel based on a prescription.
CONSTITUTION: Prescription data which is generated based on contents of a prescription 1 by an input means 2 and is stored in a storage device 9 are for example, 'Give the patient medicines of eight tablets A per day in four doses, three tablets B per day in three doses, (m)mg powder D per day in three doses, and (n)mg powder E per day in three doses'. In this case, an operating means 48 combined with a tablet dividing and packing machine 3a takes in prescription data of tablets A and B out of this prescription data, and an operating means 4b combined with a powder dividing and packing machine 3b takes in prescription data of powders D and E out of this prescription data. Operating means 4a and 4b convert respective prescription data to medicine preparation data so as to meet the medicine conditions preliminarily registered in storage devices 13 and store these medicine preparation data in storage devices 13 and operate the medicine preration devices 3 by these data.