Fecha de publicación: 13/05/2022 Fuente: WIPO "sustainability" The invention provides a sustainability evaluation method based on a fuzzy design structure matrix and a grey theory, and the method is used for evaluating the sustainability of a product, and comprises the following steps: 1, building a sustainability evaluation index set and a sub-index influence factor set according to the characteristics of a to-be-evaluated product, a composite fuzzy matter element is formed through a fuzzy matter element method, and dimensionless numerical processing is carried out; 2, comprehensively considering subjective factors and objective factors, and determining the weight of each sub-index influence factor in the sub-index influence factor set; and step 3, weighting the composite fuzzy matter element by a weight to obtain a sustainability criterion factor incidence matrix, calculating a correlation degree based on a grey theory according to the sustainability criterion factor incidence matrix, obtaining a sustainability comprehensive evaluation index, and carrying out judgment of different schemes on a to-be-evaluated product according to the sustainability comprehensive evaluation index. And finally, selecting to obtain a comprehensive sustainable optimal scheme.