Waterproof node of window limit seam of building outer wall

The utility model discloses a waterproof node of window limit seam of building outer wall, including outer wall body and window frame cover, the window frame cover is installed in the entrance to a cave of offering on the wall body outside, be provided with elastic sealing bar on the lateral surface respectively about window frame cover, offered on the side about the entrance to a cave of outer wall body and the zonulae occludens who realizes window frame cover wall body outside with is installed in the seal groove to the corresponding seal groove of elastic sealing bar through elastic sealing bar, offer four square annular shape's mounting groove outside on the wall on the limit all around at the wall body entrance to a cave, it has four square annular shape's waterproof cover to peg graft in the mounting groove, is provided with waterproof limit at the inboard edge of preventing the water jacketed left and right sides, and waterproof limit lies in prevents water jacketed lateral surface, be provided with wa