Disclosed is a drug is supplied in automatically , it is possible to control the reaction time of a drug , yet to provide an automatic drug delivery device which does not consume or low power consumption or power. An automatic drug delivery device includes a reaction vessel 1 , two or more drug delivery container 2 mounted on the upper side of the reaction vessel 1 , the drug supply container is extended into the reaction vessel 1 I comprises 2 of the medicine input end , a water inlet 3 provided in the side wall of the reaction vessel 1 , attached to the bottom of the reaction vessel 1 , and a siphon -type liquid intake apparatus for discharging the liquid to the reaction vessel 1 outside . [ Selection Figure ] Figure 1【課題】薬剤を自動に供給し、薬剤の反応期間を制御でき、しかも低い電力消費かまたは電力を消費しない自動薬剤供給装置を提供すること。【解決手段】自動薬剤供給装置は、反応容器1と、反応容器1の上方に取り付けられた2つまたは2つ以上の薬剤供給容器2と、反応容器1の内部に延設された薬剤供給容器2の薬剤投入端と、反応容器1の側壁に設けられた入水口3と、反応容器1の底部に取り付けられ、液体を反応容器1外部に排出させるサイフォン式液体吸排装置と、を備える。【選択図】図1
