The invention discloses a growth test control device for a nano hydroponic plant, wherein the growth test control device for the chamber needs at least one window and at least one door, and the open door can be placed into the regulated device, including the corresponding plant number of lamps, and is pivoted to the window. The electric fan, the humidity control unit, the carbon dioxide steel cylinder and the nano water basin device with the planting plant, wherein the high position of the nano water basin device is connected to the nano water source by a water pipe and the water pipe is connected to the low position of the nano water basin device. To the waste water tank, through the observation area to observe and adjust the growth conditions of the plant; in the mid- to the end of the water pipe connected to the waste water tank with the planted rice basin or ordinary water basin The water level controller adjusts the height of the tube to determine the amount of wastewater discharged.一種奈米水培植物的生長試驗控制裝置,該呈箱室之生長試驗控制裝置需至少設有一窗及至少一門,開啟門可置入被調控裝置包括對應植栽數之燈具、樞設於窗之電扇、濕度控制單元、二氧化碳鋼瓶及插置有植栽之奈米水盆器,其中,該奈米水盆器之高位以水管連通至奈米水源且奈米水盆器之低位以水管連通至廢水桶,透過觀景區可觀察並作出調控植栽之生長條件者;在插置有植栽之奈米水盆器或普通水盆器連通至廢水桶之水管中段至末段間由一水位控制器來調整管高度進而決定廢水排出量者。