Concrete drainage inspection well with built-in temporary fixing device

The utility model relates to the technical field of building construction, in particular to a concrete drainage inspection well with a built-in temporary fixing device, which comprises a well lid, a bottom plate and a shaft, an annular boss is arranged on the bottom plate, the shaft is arranged in a groove formed by the annular boss, a plurality of embedded steel rings are arranged in the groove, and the embedded steel rings are embedded in the well lid. One end of the embedded steel ring is embedded in the bottom plate, the other end of the embedded steel ring extends out of the bottom plate to limit the position of the shaft in the horizontal direction, a steel bar embedded part is arranged on the annular boss, one end of the steel bar embedded part is embedded in the bottom plate, and the other end of the steel bar embedded part is connected with a nut arranged above a well lid at the top of the shaft through a pull rod. The steel bar embedded parts, the pull rods and the nuts jointly fix the bottom plate,