Basement exterior wall post-cast strip pre-embedded pre-sealing structure and construction method

The invention discloses a basement exterior wall post-cast strip pre-embedded pre-sealing structure and a construction method, and belongs to the technical field of post-cast strip pre-sealing. The system comprises a basement outer wall, a post-cast strip, a pre-embedded PVC plastic plate, a movable PVC plastic plate and a post-cast strip independent formwork system, the pre-embedded PVC plastic plate is arranged on the outer side of the post-cast strip, an anchor bolt is arranged between the pre-embedded PVC plastic plate and the basement outer wall, and the movable PVC plastic plate is arranged on the side edge of the pre-embedded PVC plastic plate. The post-cast strip construction method is simple in structure, convenient and efficient, the problems that in an existing post-cast strip part advanced sealing technology, construction procedures are complex, the construction period is long, and leakage and potential safety hazards exist are solved, the construction procedures are simplified, the construction e