This paper constructs an evaluation index system of business performance, based on SME-board companies, from four aspects, which are profitability, operation ability, solvency, company development ability. By using multivariate statistical analysis methods, it conducts a classified research and a comprehensive evaluation of business performance to 37 groups of effective sample data. First is factor analysis. This paper extracts three common factors from 10 indexes, which could reflect abilities of the four aspects. Second, it makes a Hierarchical-cluster analysis to the sample companies. The analyzed results are aggregated to five types with socio-economic statistical software SPSS. By analyzing the average scores on each factor about various companies, the paper comprehensively evaluates the business performance based on their advantage factors and disadvantage factors. Last, from company management and SME-board investor, suggestions are respectively presented.