In order to explore for establishment of a viable recirculating aquaculture mode, a recirculating aquaculture system reasonably combining culture pond with subsurface flow constructed wetland was designed with Carassius auratus as cultured species. The conditions of fish growth and water quality were analyzed during the culture period. The results showed that, after 68d of culture, the stocking density of fishes in the 4 culture ponds (A, B, C, D) increased to 2.8, 5.1, 10.3 and 20 kg/m³ respectively from initially 2, 4, 8 and 16 kg/m3, and the average survival rate was (95.30±3.28)%, which realized recirculating aquaculture based on wetland. The result of water quality monitoring showed that total nitrogen (TN), total ammonia nitrogen (TAN), nitrite nitrogen (NO2-N), chemical oxygen demand (COD) and total suspended solids (TSS) removed by the wetland were respectively (35.6±7.6)%, (61.2±9.3)%, (76.5±11.5)%, (58.3±7.5)% and (88.0±3.7)%; during the culture period, the average value of TAN, NO2--N and COD was respectively (0.29±0.10), (0.075±0.023) and (11.17±2.37) mg/L; the average value of DO and TSS in the culture pond was respectively (6.84±0.92) mg/L and (64.11±17.89) mg/L. This study showed that the recirculating aquaculture system based on constructed wetland has such advantages as high survival rate, good growth and remarkable water saving and emission reduction effect.