A kind of pest-catching device,Including a box body and an adhesion layer,Box body include a bottom plate,Two pairs of side plates,Two support plates and two top plates,Bottom plate includes two pair of first broken line and four side,It is each corresponding and parallel to two first position of broken line in the first broken line,Every two the first adjacent broken lines are connected through respective side； Two pairs of side plates are extended by two pair of first broken line upward respectively,Each side plate includes one second broken line； Two support plates are extended towards by two second broken lines,Two support plates, which connect, to be combined； Two top plates are extended towards by two second broken lines,Two top plates, which connect, to be combined and is stacked above what support plate； Bottom plate,Two pairs of side plates and two support plates define an accommodating space jointly,Each side and an opening being connected with accommodating space is defined between corresponding two adjacent side plates,What bottom plate is arranged in adhesion layer.一種捕蟲裝置，包括一盒體及一黏著層，盒體包含一底板、兩對側板、兩支撐板及兩頂板，底板包含兩對第一折線及四側邊，各對第一折線中的兩第一折線位置相對應且相平行，每兩相鄰的第一折線透過對應側邊連接；兩對側板分別由兩對第一折線朝上延伸，各側板包括一第二折線；兩個支撐板由兩第二折線相向延伸，兩支撐板相接合在一起；兩頂板由兩第二折線相向延伸，兩頂板相接合在一起且疊置於支撐板上方；底板、兩對側板以及兩支撐板共同界定一容置空間，各側邊以及與對應的兩相鄰側板之間界定有一與容置空間相連通的開口，黏著層設置於底板。
