PROBLEM TO BE SOLVED: To provide a medicine pregnant and a medicine diffuser enabled to improve the diffusion quantity of a medicine even in a time zone of a weak direct sunshine and to suppress the useless diffusion of the medicine in a time zone of an intensive direct sunshine so that sufficient effectiveness by the medicine can be attained over a long time period.SOLUTION: A medicine diffuser 10 comprises: a medicine impregnator 1 for impregnating a medicine to be colored into any of a dense blue color, a dense gray color, a dense green color and a dense brown color and a holding member 20 for holding a medicine impregnator to be colored into any of a dark blue, a dense grey color, a dense green color and a dense brown color.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】直射日光の弱い時間帯においても薬剤の放散量を向上でき、しかも、直射日光の強い時間帯では薬剤の無用な放散を抑制できるようにし、もって、薬剤による十分な効力を長期間に亘って得ることができる薬剤含浸体および薬剤放散器を提供する。【解決手段】紺色、濃いねずみ色、濃い緑色、濃い茶色のいずれかに着色される気化する薬剤を含浸する薬剤含浸体1と、紺色、濃いねずみ色、濃い緑色、濃い茶色のいずれかに着色される薬剤含浸体を保持するための保持部材20を有している薬剤放散器10。【選択図】図1