A hydroponic bed includes a base and a channel plate. The base has a bottom plate and a plurality of side wall, and the side walls connect to the periphery of the bottom plate, to form a containing space. The channel plat set in the containing space, and the channel plat has a plurality of channels.一種水耕床組包括一底盤以及一渠道板。底盤具有一底板及複數個側壁,該些側壁連結於底板的周緣,以構成一容置空間。渠道板設置於容置空間,渠道板具有複數個渠道。1‧‧‧水耕床組11‧‧‧底盤111‧‧‧底板112‧‧‧側壁113‧‧‧容置空間114‧‧‧堆疊結構12‧‧‧渠道板121‧‧‧渠道