The present invention provides a fish culture structure featuring easy excrement cleaning, which employs an oblique bottom design to real-time remove impurities, such as fish excrements, so as to prevent the fish from being unhealthy and even dead caused by harmful substances generated during the excrement rotting process. The present invention may collect the excrements and impurities by the oblique bottom design and water circulation and remove them in real-time, so as to prevent the rotting of excrements and impurities, reduce the consumption of dissolved oxygen and the generation of harmful substance, so as to ensure the fish health.透過斜底設計即時排除魚類排泄物等雜質,避免魚體因排泄物腐化過程所產生的有害物質影響健康甚或死亡。箭頭為水流方向
