The invention provides an ornamental flower box structure for horticultural plant cultivation, which includes a lifting block; the rectangular opening has two places, which are rectangular groove structures, and is set at the bottom of the front and rear sides of the flower box; the bevel angle is 40 Five degrees are the chamfered edges of the bottom edges of the left and right sides of the flower box; the half-back groove is half-back, and there are two places in total, which are set at the left and right ends of the top side of the flower box; the round head hole is a long hole, The upper and lower ends are semicircular, and there are two places in total, and the front and rear directions are set at the bottom of the flower box; the biochemical cotton pad is placed inside the flower box; the soil layer is covered on the side of the biochemical cotton top; the present invention can be installed at the bottom. Adjust the height of the roller, you can move the flower box freely, and then retract the roller after fixing the position, increase the contact area with the ground, good stability, can connect adjacent flower boxes, and at the same time, when the rain is heavy in rainy days, Drain water to the ground through the overflow hole without splashing water and reduce soil loss at the same time.