The invention relates to an ecological filter dam for deep pool and shoal construction. The ecological filter dam is composed of dam front dissolved oxygen discs, a filter dam surface layer, a filterdam base layer and a filler layer, and is characterized in that the row of dam front dissolved oxygen discs are arranged in front of the upstream surface of the ecological filter dam, and the filter dam base layer and the filter dam filler layer are arranged inside the filter dam surface layer. A water body can be purified by the ecological filter dam; meanwhile, the water body drops onto the downstream surface of the ecological filter dam to form a deep pool and is oxygenated in front of the upstream surface of the ecological filter dam, so that the water body is rich in dissolved oxygen after entering the deep pool, the situation that the dissolved oxygen in the water body entering the deep pool can be easily less can be effectively avoided, and the ecological restoration effect of the deep pool can be fully exerted; and the flowing of the water body becomes slow after the water body passes through the deep pool, a shoal is formed behind the deep pool, the concentration of pollutantsin the water body being purified by the ecological filter dam and the deep pool and then reaching the shoal is relatively low, so that the reconstruction of an animal and plant ecosystem in the shoalis facilitated.