A kind of Combined greening device, it is made of a plurality of cultivating pot units, cultivating pot unit includes an accommodating space, and water pond unit is undertaken on the lower section of accommodating space, plural discharge outlet is equipped on the side wall of water pond unit, and a plurality of cultivating pot units are connected to a drain pipe network by plural connecting tube； Water circulation tank includes a sump, is undertaken on drain pipe network end via pipeline, clean water tank is to store irrigation water； And water treatment facilities, the purified processing Hou of sewage for being drawn from the sump are emitted into clean water tank. Accordingly, which is constituted with reproducibility environment-friendly materials, and self-restraint, which plants to plant, is used as building roof heat-insulated, and collects rainwater and irrigation water by water pond unit, recycles through water circulation tank decontamination cycle, meets environmental protection, ecological green building.一種組合式綠化裝置，由複數個植栽盆單元組成，植栽盆單元包括一收容空間，水盤單元承接在收容空間的下方，在水盤單元之側壁上設有複數排水口，及複數連接管將複數個植栽盆單元連結成一排水管網絡；水循環池，包含一污水槽，經由管路承接在排水管網絡末端，淨水槽用以儲存灌溉水；及水處理裝置，抽取自該污水槽之污水經淨化處理後排放至淨水槽。據此，該植栽盆單元以再生性環保材料構成，涵養植栽作為建築物屋頂隔熱，及藉由水盤單元收集雨水及灌溉水，經水循環池淨化循環再利用，符合環保、生態綠建築。
