Protection warning well lid

The utility model discloses a protection warning well lid which is a common facility used for an urban road. The protection warning well lid comprises a main well lid body (1) capable of being arranged in a base well mouth, and an auxiliary well lid body (2) capable of being fixed to the well wall is arranged below the main well lid body. A strip-shaped groove hole (3) is formed in the auxiliary well lid body. A rod (4) is arranged, a short shaft (5) is connected to the middle of the rod, and the two ends of the short shaft are connected to supports (2a) on the two sides of the strip-shaped groove hole in the auxiliary well lid body respectively. The rod is located in the strip-shaped groove hole, the upper section of the rod is a warning rod body, the lower section of the rod is a gravity rod body, the rod can swing relative to the strip-shaped groove hole through the gravity rod body, and the warning rod body on the upper section of the rod can extend out of the road surface to carry out protection warning. The protection warning well lid has the advantages that the structure is simple, the manufacturing cost can be reduced, the rod is firm and durable, and using performance is reliable.