Protective cap structure and vertical drainage pipe

The utility model belongs to the technical field of building construction, and discloses a protective cap structure and a vertical drainage pipe. The protective cap structure comprises a protective cap, a fence and a plug-in component, the protective cap comprises a protective top cover and a drainage cover which are connected with each other, the protective top cover covers the opening of the vertical pipe body in a sealing manner, and the drainage cover extends from the opening of the vertical pipe body to the bottom of the vertical pipe body and is arranged at an interval with the vertical pipe body; the fence is connected to the lower edge of the drainage cover, extends towards the bottom of the vertical pipe body, and is spaced from the vertical pipe body; the inserting component is fixedly connected to the inner top of the protective cap, and the stand pipe body can be inserted into the inserting component. The protective cap structure can protect the opening and the outer wall of the drainage stand pip