PROBLEM TO BE SOLVED: To provide a device for supplying a liquid medicine capable of suppressing propagation of miscellaneous germs and viruses inside a casing, and preventing intrusion of dust into the casing.SOLUTION: A device 1 for supplying a liquid medicine 5 into a medication bottle 2 from a liquid medicine bottle 23 storing the liquid medicine 5. The device 1 for supplying the liquid medicine includes: a casing 6 a fan 68 for supplying air into the casing 6 and an air filter 69 for filtering the air flowing into the casing 6.SELECTED DRAWING: Figure 9COPYRIGHT: (C)2016,JPO&INPIT【課題】筐体の内部における雑菌およびウィルスの繁殖を抑制でき、筐体内への塵埃の侵入を防止できる、水剤供給装置を提供する。【解決手段】水剤5を収容した水剤ボトル23から水剤5を投薬ボトル2に供給する、水剤供給装置1は、筐体6と、筐体6の内部に空気を供給するためのファン68と、筐体6の内部に流入する空気を濾過するエアフィルタ69と、を備える。【選択図】図9