To obtain satisfactory filling accuracy even in the case of a product having a flow characteristic that is greatly affected by temperature, by improving a device for filling a pressurized liquid medicine into a packaging container such as an ampule, vial or the like.

In the device for filling a pressurized liquid medicine into a packaging container, a first conduit 13 for supplying the liquid medicine 1 from a product container 11 to a dispenser 15 is provided. In the device, filling conduits, having filling valves 18, which branch off from the dispenser 15 and are arranged corresponding to individual packaging containers is also provided, and a pressure sensor 22, disposed in the dispenser 15, for the liquid medicine 1 is further provided. The pressure sensor 22 is connected to a controller 20 in order to calculate controlling time for the filling valves 18. In this case, a means for keeping the temperature of the liquid medicine l in the dispenser 15 constant is provided.