PROBLEM TO BE SOLVED: To provide a mixed injection device, a mixed injection method and a mixed injection control program in which an efficient use of medicine in a medicine container charged in the mixed injection device is supported, and an adverse effect can be suppressed.SOLUTION: A mixed injection device 1 includes: a mixed injection processing unit 300 capable of executing the mixed injection processing for injecting the medicine in a first container into a second container based on preparation data; a mixed injection control unit 100 capable of assigning the medicine in the first container staying in the mixed injection processing based on the second preparation data different from the first preparation data, as the medicine used in the mixed injection processing based on the first preparation data executed by the mixed injection processing unit 300; and a first control unit 400 (notification processing unit) for performing notification when the deficiency occurs in the medicine in the mixed injection processing corresponding to the one or multiple preparation data with the change of the execution sequence or the execution cancel of the mixed injection processing corresponding to the preparation data.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】混注装置内に装填された薬品容器内の薬品の効率的な使用を支援するための弊害の影響を抑制することのできる混注装置、混注方法、及び混注制御プログラムを提供すること。【解決手段】混注装置1は、調製データに基づいて第1容器内の薬品を第2容器に注入する混注処理を実行可能な混注処理部300と、混注処理部300によって実行される第1調製データに基づく前記混注処理において使用される薬品として、前記第1調製データとは異なる第2調製データに基づく前記混注処理で残る前記第1容器内の薬品を割り当て可能な混注制御部100と、前記調製データに対応する前記混注処理の実行順序の変更又は実行キャンセルに伴って一又は複数の前記調製データに対応する前記混注処理で薬品に不足が生じる場合に報知する第1制御部400(報知処理部)と、を備える。【選択図】図1