The invention provides a submerged 
plant modularized growth 
bed and a method for recovering growth of 
underwater submerged plants. The submerged 
plant modularized growth 
bed comprises 
suspended solids, planting 
layers, 
plant layers, a growth substrate layer, a bearing layer and balance weight facilities, the submerged plant modularized growth beds are mutually connected to form an entire piece, micropores are formed in the bearing layer so that roots of the plants can penetrate through, the growth substrate layer adopts planting soil, the periphery of the planting layer is fixedly connected with the periphery of the bearing layer, the planting 
layers and the bearing layer wrap the growth substrate layer, the 
suspended solids are fixedly arranged around the submerged plant modularized growth 
bed, each suspended 
solid is hollow and is filled with air, and the balance weights are fixedly arranged at the lower end portion of the 
suspended solids to keep the depth of the modularized growth bed suspending on the water surface. The submerged plant modularized growth bed is reasonable in design, compact in structure, simple to manufacture, low in cost, simple to operate and convenient to manage, and the submerged plant modularized growth bed is degraded along with the growth of the 
underwater submerged plants, is free of 
pollution, protects the environment, is wide in application range, is widely popularized conveniently, and is favorable for 
recovery of the 
underwater submerged plants in different water areas.