drug solution transfuse device or method, first holding to hold the container (24) Part (21) and the needle second holding portion for holding the syringe (26) with a (25) and (22), a first moving unit for moving the first holding part (21) in the vertical up and down direction (23) When the control unit for controlling the first moving unit (23) and (40), and are equipped with. The control unit (40), the syringe (26) of the needle (25) the gas in the plunger outside of the gas by subtracting the (26b) and the needle (25) of the container prior to piercing (24) Syringe (26) preparative After aspirated into the syringe (26) as the air reservoir, a needle (25) pierces the container (24), the plunger chemical liquid vessel through the needle (25) by moving (26b) (24) I performed a process of dispensed transfer the liquid chemical (27) in the syringe (26).薬液移注装置又は方法は、容器(24)を保持する第1保持部(21)と、針(25)の付いたシリンジ(26)を保持する第2保持部(22)と、第1保持部(21)を鉛直上下方向に移動させる第1移動部(23)と、第1移動部(23)を制御する制御部(40)と、を備えたものである。制御部(40)は、シリンジ(26)の針(25)を容器(24)に穿刺する前にシリンジ(26)のプランジャ(26b)を引くことで外部の気体と針(25)内の気体とを空気溜まりとしてシリンジ(26)内に吸引した後、針(25)を容器(24)に穿刺し、プランジャ(26b)を移動させることで針(25)を介して薬液容器(24)からシリンジ(26)に薬液(27)を移注させる処理を行う。