PROBLEM TO BE SOLVED: To provide a drug feeding mechanism for allowing a user to easily and accurately sort drug and to provide a drug dispensing device.SOLUTION: The drug feeding mechanism includes: an under tablet having m×n dispensing measures, a shutter unit opening lower openings of the dispensing measures of the first row sequentially from the first line and then opening lower openings of the dispensing measures of the second and subsequent rows from the first line a top tablet having m×n opening parts and disposed above an upper part of the under tablet an opening and closing member opening and closing lower openings of the opening parts and a lid member which closes upper openings of the opening parts by lids in the unused lines in order to define a partitioning position for one day, during sorting for supplying drug in the opening parts according to a prescription.COPYRIGHT: (C)2012,JPO&INPIT【課題】ユーザーが薬剤の仕分け作業を容易に且つ精度良く行うことができる薬剤供給機構及び薬剤分包装置を提供する。【解決手段】m列×n段の分配桝を有するアンダータブレットと、第1列の分配桝の下方開口を第1段から順に開放し、その後、第2列以降の分配桝の下方開口についても同様に第1段から順に開放するシャッターユニットと、m列×n段の開口部を有し、アンダータブレットの上方に配置されるトップタブレットと、各開口部の下方開口を開閉する開閉部材と、処方に応じて各開口部に薬剤を投入する薬剤の仕分け作業において一日分の区切り位置を揃えるために使用しない段について、各開口部の上方開口を閉鎖して蓋をすることができる蓋部材とを備える。【選択図】図6