PROBLEM TO BE SOLVED: To provide a solution feeding device that has a simple configuration and within which a solution stored in a solution bottle can be stirred.SOLUTION: A solution feeding device for feeding a solution into a medication bottle from a solution bottle 23 accommodating the solution includes a holder 78 that holds a bottom 23B of the solution bottle 23, and a rotary drive part 61 that generates a rotational force and that rotates the holder 78 and the solution bottle 23, held by the holder 78, on a rotational axis L3 along a center line L2 of the solution bottle 23.COPYRIGHT: (C)2015,JPO&INPIT【課題】簡単な構成で、水剤ボトルに収容された水剤を装置内で攪拌できる、水剤供給装置を提供する。【解決手段】水剤を収容した水剤ボトル23から水剤を投薬ボトルに供給する水剤供給装置は、水剤ボトル23の底部23Bを保持するホルダ78と、回転力を発生させ、水剤ボトル23の中心線L2に沿う回転軸L3を中心に、ホルダ78とホルダ78に保持された水剤ボトル23とを回転させる回転駆動部61と、を備える。【選択図】図8