A hydroponic bed assembly includes a base, a hydroponic bed and a planting plate. The base has a first bottom plate and a plurality of first side wall, and the first side walls connect to the periphery of the first bottom plate, to conform a first containing space. The hydroponic bed is contained in the first containing space, the hydroponic bed has a second bottom plate and a plurality of second side wall, the second bottom plate has a plurality of convex part, and the second side walls connect to the periphery of the second bottom plate, to conform a second containing space. The planting plate is contained in the second containing space, and the planting plate has a plurality of opening, the openings corresponding dispose to the convex parts.一種水耕床組,包括一底盤、一水床以及一栽植板。底盤具有一第一底板及複數個第一側壁,第一側壁連結於第一底板的周緣,以構成一第一容置空間。水床容置於第一容置空間,水床具有一第二底板及複數個第二側壁,第二底板具有複數個凸部,第二側壁連結於第二底板的周緣,以構成一第二容置空間。栽植板容置於第二容置空間,栽植板具有複數個開口,開口對應於凸部設置。1‧‧‧水耕床組11‧‧‧底盤111‧‧‧第一底板112‧‧‧第一側壁113‧‧‧排水結構12‧‧‧水床121‧‧‧第二底板122‧‧‧第二側壁123‧‧‧排水口124‧‧‧凸部13‧‧‧栽植板131‧‧‧注水口132‧‧‧開口133‧‧‧栽植部134‧‧‧肋條S1‧‧‧第一容置空間S2‧‧‧第二容置空間
