This paper start with the eight basic approaches of enterprise cleaner production, equidistance method will be used to transfer actual measured data of every index into the same form. This study establishes a fuzzy matrix to get the index weight and eventually get the Composite scores of enterprise cleaner production. Findings of this paper can be used by the government or the intermediary institution as an objective basis for evaluating the implementation level of enterprise cleaner production and for promoting the emissions trading system.