Vague set methods of multi-criteria fuzzy decision-making

In order to seek the optimal solution to deal with decision problems in multi-criteria fuzzy decision-making system, a new model about multi-criteria fuzzy decision-making based on the particularity of vague set was established. In the model, the method called score function method was ameliorated by using information from abstainer. The method can arouse the enthusiasm of the stakeholders and help administer make a decision impersonally. Finally, the method in this paper was showed more efficient and advantageous by examples.