Fuzzy comprehensive evaluation （FCE） is being commonly used in decision analyses ; different models of FCE ought to be used in different situations. The paper introduces two kinds of models of FCE which have characteristics and advantages in such aspects as standpoints, methods of building models, evaluation contents and realization processes. Although they do not differentiate a scheme superior or inferior in itself, the relative model of FCE has advantages that the model building is easy and data operation is simple while the multi-class mo...
