The utility model discloses a distribution network automation communication integrated terminal box, including casing and chamber door, the chamber door rotates to be connected in the casing front side, the spread groove has been seted up to the casing top, inside can the dismantlement of spread groove is connected with connecting bolt, the fixing bolt that guide rail that spread groove below setup passes through both sides connects inside the casing, the inside sliding connection of guide rail has two at least rubber seal strips, the rubber seal strip is located connecting bolt's both sidesrespectively, the inside elastic slot that has seted up of rubber seal strip, the flexible body of elastic slot internal connection, connecting bolt has cup jointed the sealing washer in the outside,the sealing washer outside contacts with the rubber seal strip, the sealing washer is located inside the guide rail, it can realize that the leakproofness is good.