Ridge prefabricated part with irrigation function

A ridge prefabricated part with an irrigation function comprises a strip-shaped ridge body and irrigation holes, the irrigation holes are formed in the strip-shaped ridge body in the same direction, protruding protective edges are arranged on the two sides of the top face of the strip-shaped ridge body respectively, and a butt-joint meshing structure is arranged on the butt-joint face of the strip-shaped ridge body. The ridge is butted and buried in a farmland, can be used as a hard ridge for separating field blocks and also can be used as a field underground irrigation canal, various defects caused by an open-air canal are eliminated, the cultivable area and the field underground water storage space can be increased, the ridge is an ideal foundation implementation for modern farmland transformation, the farmland planting basic condition is improved, and the field planting efficiency is improved. The actual farming area of the farmland is increased, the drought resistance and flood drainage capacity of the fa