Ecological improvement and restoration system for eutrophicated wetland

The invention discloses an eutrophication wetland ecological improvement and restoration system, which comprises a fixing plate, a stirring box and a rain shielding device, four sides of the fixing plate are provided with connecting pipes, the connecting pipes are connected through a second conveying pipe, four corners of the bottom of the rain shielding device are connected with the upper surface of the fixing plate through fixing rods, and the upper surface of the fixing plate is connected with the stirring box through a second conveying pipe. A motor is arranged at the lower end of the rain shielding device, a stirring rod penetrating through the stirring box is arranged at the bottom of the motor, a first conveying pipe is arranged in the center of the bottom of the stirring box, an upper cover is arranged at the upper end of each connecting pipe, the lower end of each connecting pipe communicates with a fourth conveying pipe through a third conveying pipe, and a plurality of nozzles are arranged at the b