Waterproof building structure

The utility model relates to the technical field of engineering design, and discloses a waterproof building structure which comprises a building wall body, a stabilizing assembly is arranged on one side of the building wall body, a waterproof assembly is arranged at the bottom of the stabilizing assembly, and the waterproof assembly comprises a foundation bonded to the bottom of the building wall body. A sandstone cushion layer, concrete and a waterproof filler layer are embedded in the foundation, the sandstone cushion layer is located on the inner wall of the bottom of the foundation, the concrete is located on the top of the sandstone cushion layer, the waterproof filler layer is located on the top of the concrete, and a waterproof adhesive tape adheres to the top of the foundation. According to the waterproof building structure, through the arrangement of the waterproof assembly, the waterproofness of the building structure can be effectively improved, and rainwater is prevented from permeating into the b