Efficient integrated aerobic biochemical precipitation treatment system

The utility model relates to an efficient integrated aerobic biochemical sedimentation treatment system which comprises an integrated aerobic biochemical system and a built-in secondary mud-water separation sedimentation tank which are communicated through a partition wall, the aerobic biochemical system comprises an aeration tank main body, and the aeration tank main body is provided with an aeration device; the aeration device comprises an aeration main pipe positioned above the aeration tank main body, an aeration branch pipe positioned in the aeration tank main body and an aerator connected with the branch pipe; a first-stage sedimentation tank and a second-stage sedimentation tank which are stacked up and down at intervals are arranged in the built-in second-stage mud-water separation sedimentation tank, a support frame, a water outlet tank, a water outlet and a drainage tank are sequentially arranged at the upper part of the second-stage sedimentation tank along the water outlet direction, and filler is