To provide a partition device that can prevent entry of insects more than before.SOLUTION: The partition device is equipped with a plurality of repellent sheets in which a member containing an insect repellent and having flexibility is formed in a sheet shape. The repellent sheets are pendent from wall parts in a manner covering an opening which is formed in the wall parts.SELECTED DRAWING: Figure 1【課題】昆虫類の侵入をより防止することができる間仕切り装置を提供する。【解決手段】昆虫忌避剤を含有し、可撓性を有する部材がシート状に形成された忌避シートであって、壁部に形成された開口部を覆うように壁部から垂下された複数の忌避シートを備えた。【選択図】図1