Urban flood control system

The utility model discloses an urban flood control system which comprises an underground garage entrance, clamping plates are fixed to the two sides in the underground garage entrance, one ends of water baffles are installed in the clamping plates, and reinforcing mechanisms are arranged at the connecting positions of the water baffles. According to the urban flood control system, the reinforcing plate and the two clamping frames are arranged, and the reinforcing plate and the clamping frames are connected in a clamped mode, so that the strength of the connecting position of the water baffle is improved, and it is guaranteed that when the water baffle is impacted by flood, the water baffle is not prone to falling off when being impacted by the flood. The reinforcing plate and the clamping frame can share the impact force at the joint of the water baffle, the flood impact resistance of the water baffle is improved, meanwhile, the two parallel supporting plates are arranged in the same vertical direction, the s