The diversification enterprises performance evaluation index system based on the perspective of shareholders was constructed, according to the characteristics of the performance evaluation of diversification enterprises. Combined with the economic added value and adjusting the different indicators, the system could fully display the various aspects of a listed company's financial situation and help manager thinking and deciding on the position of shareholders. The 10 listed companies which were close to the average net asset ratio were selected calculate their indicators. According to the above the index value, the coefficients of correlation between the various indicators were calculated and determined the weights using the SPSS software. Finally, the case of the CH listed companies was analyzed to gain a comprehensive review of the company operating conditions in 2013 and stated the advantages and shortcomings of this index system.

In combination with the characteristics of the unrelated diversification enterprise, it studies the unrelated diversification impact on the cash flow condition.Representative indicators are selected as the independent variables, while the unrelated diversification level as the dependent variable. And then it does the multiple regression model analysis by using SPSS 19. Analysis results show that high level of unrelated diversification will have a negative effect on cash flow situation. On the basis of the quantitative study, enterprises can adopt more effective and targeted measures to reduce financial risk.