PURPOSE: An apparatus for growing bean sprouts supplying water by operating a recirculating pump at predetermined time intervals and controlling an internal temperature is provided. It does not need to change water before a water tank is filled with a specified amount of water and thus conveniently and efficiently grows bean sprouts. CONSTITUTION: An apparatus for growing bean sprouts comprises a water sprayer(10); a vessel(20) installed at the lower part of the water sprayer and having a plurality of holes at a lower part and a sunlight shielding cover(21) at the upper part; a water tank containing a spray pipe(11) connected to the water sprayer; a cultivating vessel(31) installed beneath the vessel and having a plurality of holes at the lower part; a support part(32) for supporting the cultivation vessel; a recirculating pump(50) for pumping water in the water tank to the sprayer; a controller(60) for controlling the recirculating pump at regular time intervals.