The present invention relates to a compensation device for setting a flow rate of an infusion solution, a device for automatically controlling the flow rate of the infusion solution, and a method for controlling an optimal target flow rate using a flow rate coefficient of a flow rate controller, the compensation device adjusting a display scale of an infusion solution flow rate controller corresponding to a target flow rate on the basis of a one-time actually measured flow rate in setting the target flow rate by controlling an infusion solution flow rate controller of an infusion solution. More particularly, the present invention relates to a compensation device for setting a flow rate of an infusion solution, a device for automatically controlling the flow rate of the infusion solution, and a method for controlling an optimal target flow rate using a flow rate coefficient of a flow rate controller, the compensation device obtaining a display scale of an infusion solution flow rate controller for a target flow rate after estimating the installation condition of an infusion solution, set through a one-time actually measured flow rate, on the basis of fluctuation information of the flow rate according to change in the installation condition of the infusion solution set and the position of the display scale of the infusion solution flow rate controller, by classifying a factor affecting the flow rate as the position of the display scale of the infusion solution flow rate controller and the installation condition of the infusion solution set.La présente invention concerne un dispositif de compensation pour régler un débit dune solution de perfusion, un dispositif pour commander automatiquement le débit de la solution de perfusion, et un procédé pour commander un débit cible optimal au moyen dun coefficient de débit dun dispositif de commande de débit, le dispositif de compensation ajustant une échelle daffichage dun dispositif de commande de débit de solution de perfusi
