Abstract:For the problem of performance evaluation of heavy polluting companies, first of all, this paper establishes a performance evaluation index system for heavy polluting companies from the perspective of economy, society and environment based on the theory of sustainability. Then, this paper constructs a weighted enterprise performance indicator weighting model based on the COWA operator. Finally, this paper builds a performance evaluation model for heavy polluting companies based on cloud models.The application case shows that the performance evaluation index system, the empowerment and the evaluation model can better evaluate the performance of heavy polluting enterprises, and it has certain reference value for the performance improvement of heavy polluting enterprises.