Hydraulic engineering flood bank and construction method thereof

The invention provides a hydraulic engineering flood bank and a construction method thereof, and belongs to the field of flood banks. The invention relates to a flood bank structure, in particular to a flood bank structure which is provided with a protection structure for protection and is provided with a corresponding drainage structure and a construction method of the flood bank structure. Comprising a flood prevention plate which is a composite plate body, and a filling structure is arranged in the middle of the flood prevention plate for retaining water; the fixing assembly is used for installing and connecting a flood prevention plate so that the flood prevention plate can be installed on a soil matrix; the drainage assembly is embedded in the soil matrix and correspondingly communicated with the road surface and the side slope to form drainage, corresponding protection arrangement is conducted through the supporting structure, guiding is conducted through the curled structure arranged at the end of the