Disclosed is an automated hydroponic cultivation system, comprising: a planting tank (1), a cultivation rack, a water storage tank (2), an inlet pipe (3), a return pipe (4), a submersible pump (5), and an automatic fertilizer application system (6), wherein water flows through the automatic fertilizer application system (6), is mixed with the fertilizer at a certain ratio and enters into the water storage tank (2), wherein the water storage tank (2) is provided with an ultraviolet sterilizer (7) effectively reducing bacterial damage to plant roots the return pipe (4) is provided with a filter net (8) the water storage tank (2) is provided with an inflow water controller (9), a water spray controller (13 ) and a water temperature controller (10) the cultivation rack below the planting tank (1) is provided with a nursery seedling plate (12) a water spray pipe is provided above the nursery seedling plate (12) and the water spray pipe is connected to the water spray controller (13). The cultivation system is easy and simple to use and easy to install, and fully achieves automatic watering and planting. The nursery seedling area and the planting area are integrated, and thus easy operation and a visual management aim can be achieved at a glance.Linvention concerne un système de culture hydroponique automatique, comprenant : un réservoir de plantation (1), une étagère de culture, un réservoir de stockage deau (2), un tuyau dentrée (3), un tuyau de retour (4), une pompe submersible (5), et un système dapplication dengrais automatique (6), dans lequel leau sécoule à travers le système dapplication dengrais automatique (6), est mélangée à lengrais suivant une certaine proportion et entre dans le réservoir de stockage deau (2), dans lequel le réservoir de stockage deau (2) est muni dun stérilisateur UV (7) réduisant efficacement les dommages bactériens causés aux racines de la plante le tuyau de retour (4) est pourvu dun filet filtrant (8) le réservoir de stockage deau (2)
