Vegetable cultivation device

The utility model discloses a vegetable cultivation device which comprises an upper box body, a lower box body and a hole tray assembly, six sliding grooves are formed in the two side faces of the lower box body, the upper box body is arranged at the top of the lower box body, the upper box body and the lower box body are connected in a sliding mode, six sliding blocks are welded to the inner side of the upper box body, the sliding blocks and the sliding grooves are connected in a sliding mode, and the hole tray assembly is arranged in the hole tray assembly. A locking hand wheel is arranged at the position, corresponding to the sliding block, of the outer portion of the upper box body, the locking hand wheel is in threaded connection with the upper box body and the sliding block, a water tank and a nutrient solution tank are welded to the two sides of the top of the upper box body respectively, a net-shaped supporting plate is welded to the position, at the bottom of the sliding groove, of the lower box body