Provided is an infusion mixing device that automatically performs some or all of an infusion mixing process and can prevent contamination of the infusion solution bag. The infusion mixing device (1) is provided with: an infusion mixing operation unit (2) obtained from a first robot arm (21) that holds a drug container (10) and a second robot arm (22) that performs the action of inserting the injection needle of a syringe (11) in the mouth of the drug container (10) held by the first robot arm (21) and the action of inserting the injection needle of the syringe (11) into the infusion mixing port of an infusion solution bag (12) an infusion mixing process chamber (204) that accommodates the infusion mixing operation unit (2) a supply unit (100) that provides the drug container (10) and the syringe (11) to the infusion mixing process chamber (204) and an infusion solution bag holder (4) that holds the infusion solution bag (12) outside the infusion mixing process chamber (204) and positions the infusion mixing port of the infusion solution bag (12) in the infusion mixing communication port (202b) formed in the infusion mixing process chamber (204).Linvention concerne un dispositif de mélange de perfusion qui réalise automatiquement une certaine partie ou lensemble dun processus de mélange de perfusion et peut empêcher la contamination du sac de solution de perfusion. Le dispositif de mélange de perfusion (1) comporte : une unité dactionnement de mélange de perfusion (2) obtenue à partir dun premier bras de robot (21) qui maintient un contenant de médicament (10) et un second bras de robot (22) qui réalise laction dintroduction de laiguille dinjection dune seringue (11) dans lembouchure du contenant de médicament (10) maintenu par le premier bras de robot (21) et laction dintroduction de laiguille dinjection de la seringue (11) dans lorifice de mélange de perfusion dun sac de solution de perfusion (12) une chambre de processus de mélange de perfusion (204) qui reçoit l
