The invention discloses serratia capable of enriching phosphorus, degrading organic phosphorus and inhibiting plant pathogenic fungi, and belongs to the technical field of microorganisms. The strain, namely serratia sp. MEW06, is preserved in China Center for Type Culture Collection, with preservation number of CCTCC NO. M2015779. The serratia disclosed by the invention, which has a short-time and efficient phosphorus enriching capacity, can be used for preparing a bio-fertilizer, and the serratia, which also has an inhibitory effect on the pathogenic fungi of crops, can be applied to microbial control; meanwhile, the strain, which has a good effect on degrading organic phosphorus pesticides, namely glyphosate and dimethoate, is capable of effectively eliminating pollution of the organic phosphorus pesticides; and the serratia disclosed by the invention has a broad application scope.