Fuente: WIPO "hemp" The utility model provides a columnar hydroponic frame for industrial hemp cultivation, which comprises a hydroponic liquid storage tank, the upper end of the hydroponic liquid storage tank is provided with a hydroponic column, the hydroponic column is vertically arranged, the hydroponic column is of a tubular structure, and the lower end of the hydroponic column is communicated with the inside of the hydroponic liquid storage tank; a plurality of planting notches are distributed in the pipe wall of the water planting column in the vertical direction; a water pump is arranged on the upper side of the hydroponic liquid storage tank, a liquid inlet of the water pump is communicated with the interior of the hydroponic liquid storage tank, and a liquid outlet of the water pump is communicated with the upper end of the hydroponic column through a liquid conveying pipe; a liquid distribution disc is arranged on the inner side of the upper end of the water culture column, and the liquid distribution disc and the inner side wall of the water culture column are arranged in a spaced mode to form a liquid leakage gap.