Roman brick modeling combined brick capable of absorbing water

The utility model discloses a Roman brick modeling combined brick capable of absorbing water, which comprises a combined brick body, a plurality of water seepage blocks are arranged at the top of the combined brick body at equal intervals, a plurality of vertical water guide holes are arranged on the water seepage blocks, and mutually vertical and communicated flow guide grooves are arranged on the side surfaces of the water seepage blocks. Protruding blocks are arranged on the side face of the combined brick body, grooves are correspondingly formed in the other side of the combined brick body, the combined brick body comprises a water permeable surface layer and a water absorption layer which are arranged on the top, a fixing layer is arranged at the bottom of the water absorption layer, a waterproof and freezing-preserving layer is arranged at the bottom of the fixing layer, and a combined brick base layer is arranged at the bottom of the waterproof and freezing-preserving layer. A rectangular groove is for