The utility model relates to innocent treatment and recycling equipment for quick-frozen food production wastewater, which effectively solves the problems of innocent treatment and recycling of the quick-frozen food production wastewater and resource saving. The grid channel is connected with a quick-frozen food production wastewater discharge pipeline; a sewage outlet of the grating channel is connected with the water collecting well; the water collecting well is connected with the dehydrator and the regulating acidification pool; the regulating acidification pool is connected with the UASB reactor through the middle pool; a sewage outlet of the UASB reactor is connected with the tank A; the tank A is connected with the tank O; a liquid outlet of the tank O is connected with the sedimentation tank; one sludge outlet of the sedimentation tank is connected with the tank A, the other sludge outlet of the sedimentation tank is connected with the sludge concentration tank, the clear wateris connected with the air floatation dephosphorization tank, the sludge outlet of the air floatation dephosphorization tank is connected with the regulating tank, the water outlet is connected with the metering open channel and the disinfection tank, and the sludge outlet is connected with the dehydrator.