A kind of ecology curtain wall device, is suitable on setting one wall of what, and includes an assembled unit, which includes a backboard, an arc bent plate, one first cover board, one second cover board and a siphunculus. The combination section upwardly extended on backboard setting what wall and with a body part and one along the two sides of the body part, the arc bent plate has a bent plate portion, and plural number forms the through-hole in the what bent plate portion, the bent plate portion is that lid sets on the body part of the what backboard and links together with two combination section, and the curved cover plate matched with the backboard around define a tool there are two be open accommodating space, first and second cover board closes off two opening, which is then arranged in the what accommodating space.一種生態帷幕牆裝置,適用於設置於一牆壁上,並包含一組合單元,該組合單元包括一背板、一弧形彎板、一第一蓋板、一第二蓋板,及一通管。該背板設置於該牆壁上並具有一本體部及一沿該本體部之兩側向上延伸之組合部,該弧形彎板具有一彎板部,及複數形成於該彎板部上之通孔,該彎板部是蓋設於該背板之本體部上並與該二組合部連接在一起,且該弧形蓋板與該背板相配合圍繞界定出一具有兩個開口的容置空間,該第一、二蓋板分別封閉該二開口,該通管則設置於該容置空間中。