Anti-seepage plugging structure of hoisting hole of basement machine room

The utility model provides an anti-seepage plugging structure of a hoisting hole of a basement machine room. A hoisting hole is formed in a top plate of the basement; the anti-seepage plugging structure comprises a plurality of prefabricated plugging blocks, the prefabricated plugging blocks are arranged side by side so as to be fully laid above the hoisting hole, the lower portions of every two adjacent prefabricated plugging blocks are connected, a first pouring joint is formed between the upper portions of every two adjacent prefabricated plugging blocks, and concrete is poured into the first pouring joints. And the limiting reverse ridge is formed on a top plate of the basement, the limiting reverse ridge is arranged along the outer edges of the multiple prefabricated plugging blocks by a circle, and the inner side of the limiting reverse ridge abuts against the multiple prefabricated plugging blocks. According to the utility model, the problems of multiple construction proceduresand long construction per