Multifunctional anti-flood wall

The invention discloses a multifunctional anti-flood wall, and relates to the technical field of dam flood control, and the key points of the technical scheme are that the multifunctional anti-flood wall comprises a dike arranged along the vertical direction of a river channel, one side of the top of the dike is provided with a grid along the extending direction of the dike, and the top of the grid is provided with a vertical rod and a plurality of anti-flood walls rotationally connected with the grid; the anti-flood wall is provided with a sliding support rod connected with the grid; the top of the vertical rod is provided with an alarm, and the vertical rod is provided with a rainfall online monitoring device close to the top; a pressure detector is arranged on the side, provided with the grids, of the dike and close to the bottom. The functions of monitoring water and rain conditions in real time and regulating and controlling the height of the flood control wall are achieved, and the dam flood control cap