Process for recovery of coastal natural wetland and multistage antisoil regulation and control technology therefor

The invention relates to a method for recovering the wetland of hurt lake, with plant biological theory, ecological theory, etc, wherein the invention can increase the lives of wetland system, and recover the natural wetland ecological system, to realize the self-maintenance function of natural wetland group. Therefore, via the metabolism, physical and chemical functions of wetland plant and soil, the organic and inorganic can be stop at the wetland system, while the harmful one is decomposed into innocuous one, to purify the water. The invention has low cost, and high purifying efficiency.