Analysis of the Advantages and Disadvantages of Four Comprehensive Evaluation Methods

This paper introduces the AHP, entropy value method, TOPSIS method and fuzzy comprehensive evaluation in analyzes advantages disadvantages of four from perspectives subjectivity objectivity, acceptance decision makers, difficulty evaluation. The depends on amount initial data, AHP research results are too subjective, conclusions do not fit reality, may have poor resolution. Finally, suggestions put forward for application scope methods single use combined use. It is believed that can be pairs or three, such as: weight-TOPSIS, AHP-TOPSIS weight-AHP -Methods as avoid being affected by limitations a method.