The utility model relates to a flexible interconnecting body which has the function of bank protecting and slope protecting and is composed of concrete blocks and geogrids (or geonets). The concrete is directly cast as the form of block bodies, or the concrete precast blocks are cemented and fixed by riveting on the geogrids (or the geonets) to form the flexible interconnecting body; the utility model guarantees the durability and the security of the connection of the flexible bank protecting interconnecting body. The interconnecting bodies are mutually connected through the hooks preembedded in the block bodies, or the geogrids (or the geonets) are directly connected or thermally welded as the form of locking. The concrete blocks can be processed into the concrete blocks with communicating pores which are embedded in the soil to make the plants grow. The green engineering with the function of bank protecting and slope protecting can be built.