The utility model relates to a hydroponic planting trough and a hydroponic planting trough group,The hydroponic planting tank system comprises a tank body, a tank body, a tank body, a tank body, a tank body and a tank body,A overflow unit and a drainage unit are arranged in the bottom of the unit,The overflow unit further comprises an overflow pipe,The drainage unit also includes a siphon with adjustable position and height,Two slots are arranged on two sides of the tank body,And the two slots are provided with two lamp racks,The lamp holder is provided with a lamp clip；A cover,It is sheathed on the tank body and has an openingA first water inlet hole and a second water inlet hole；Make sure you plant the cup,It is an opening which is sheathed on the upper cover；At least one tick,It is arranged on the back of the tank body；With the height adjustable overflow pipe and siphon pipe,In order to control the water level of the tank body after water inflow,To prevent root rot and rotten root function of root plants.本新型涉及一種水耕栽種槽及水耕栽種槽組，其中該水耕栽種槽係包含有:一槽體，係在其底部內設有一溢水單元及一排水單元，且該溢水單元更包含有一溢流管，又該排水單元更包含有可調位置高度的一虹吸管，又在該槽體的二側邊設有二插槽，而該二插槽提供套入二燈架，且該燈架上設有一燈夾；一上蓋，係套接於該槽體且具有一開孔、一第一入水孔及一第二入水孔；一定植杯，係套接於該上蓋的開孔；至少一掛勾，係設於該槽體的背面；藉由該可調位置的高度的溢流管及虹吸管，以控制該槽體進水後的水位，以防水根植物的根腐及爛根之功能者。
