Credit rating method for environmental protection enterprise subject

The invention relates to a credit rating method for an environmental protection enterprise subject. The method comprises the following steps: formulating an index system for evaluating credit elements, and formulating a scoring method and basis of the index elements; standardizing a basis for collecting credit factor data, and according to an evaluation standard and evaluation data of each evaluation factor, determining a score of each index, summarizing comprehensive scores, determining a credit grade, and making a credit report; The environmental protection enterprise subject is comprehensively evaluated by adopting a plurality of evaluation factors, descriptive languages of non-financial indexes in the environmental protection enterprise subject are converted into scores, and finally a set of complete and scientific environmental protection enterprise subject credit evaluation model is formed. The analyst can scientifically, just and objectively evaluate the environmental protection enterprise subject thro