Municipal rain sewage discharge system

The utility model discloses a municipal rainwater and sewage discharge system, and relates to the technical field of municipal drainage, the municipal rainwater and sewage discharge system comprises a sewer well, a sewer is arranged below the sewer well, the sewer well communicates with the sewer, a mounting ring is arranged at the top of the sewer well, the mounting ring is fixedly connected with the sewer, and the sewer is fixedly connected with the mounting ring. The bottom of the mounting ring is fixedly connected with a supporting plate; through cooperative arrangement of the mounting ring, the supporting plate, the clamping plate, the clamping hole, the warning rod and other structures, the drainage process can be accelerated by rotating the well lid to increase the gap between the well lid and the mounting ring, meanwhile, the warning rod can be pulled out from the interior of the well lid to conduct early warning on pedestrians and vehicles during drainage, the whole process is easy to operate, contro