Energy-saving waterproof structure of building outer wall

The utility model relates to the technical field of building outer walls, and discloses an energy-saving waterproof structure of a building outer wall, which comprises an outer wall main body, the top of the outer wall main body is fixedly connected with a water guide plate, both ends of the top of the water guide plate are provided with leak holes, both ends of the bottom of the water guide plate are fixedly connected with buckles, and the buckles are fixedly connected with the outer wall main body. And the interior of the buckle is connected with a mounting block in a clamping manner. According to the energy-saving waterproof structure of the building outer wall, through mutual cooperative use of the water baffle, the leakage holes, the water tank, the water inlet, the filter screen and the activated carbon plate, the effect of collecting rainwater in a centralized mode is achieved, water resources can be conveniently recycled, meanwhile, the filter screen is used for conducting primary filtration on the ra