Anti-seepage structure of basement

The utility model relates to the technical field of constructional engineering, in particular to an anti-seepage structure of a basement, which comprises a foundation layer, a plurality of layers of waterproof coatings are coated on the foundation layer, a plurality of waterproof coiled materials are fixedly connected onto the waterproof coatings, sealing grooves are arranged on the waterproof coiled materials, sealing plates matched with the sealing grooves are fixedly connected onto the waterproof coiled materials, and the sealing plates are fixedly connected onto the waterproof coiled materials. A first concrete layer is fixedly connected to each waterproof coiled material, a foam layer is fixedly connected to the first concrete layer, a second concrete layer is fixedly connected to the foam layer, a wall body is fixedly connected to the second concrete layer, and a floor is fixedly connected to the wall body. The waterproof structure has the advantages that underground water can be prevented from permeati