Plateau engineering circulating water ecological breeding fishery system

The utility model discloses a fishery system for plateau engineering circulating water ecological breeding, which relates to the technical field of aquaculture engineering and comprises a breeding heat preservation workshop, breeding ponds, a heat preservation greenhouse and a water treatment facility, a plurality of breeding ponds are arranged in the breeding heat preservation workshop, the lower end of each breeding pond is buried in the ground, and the water treatment facility is arranged in the heat preservation greenhouse. The water treatment facility comprises a microfilter, a first-stage acidification pool, a second-stage sedimentation pool, a biochemical treatment pool and an ecological treatment pool which are sequentially connected, water outlets of the culture ponds are communicated with an inlet of the microfilter, the ecological treatment pool is communicated with the culture ponds, the top of the heat preservation greenhouse is covered with a double-layer heat preservation transparent film, and