This paper uses principal component analysis method to research on the comprehensive evaluation of enterprise financial status of 70 Agriculture Industrialization leading enterprises of Shandong province. The principal component analysis result indicates that we can research on the enterprise financial status from four points including profit capability, asset quality, debt risk and business growth. We also get five core indices including return rate of total assets, cash recovery rate of assets, sales growth, current ratio and capital maintenance and increment ratio which are used to evaluate enterprise financial status. And the optimization of the index system make us can do a more in-depth study on the enterprise financial status.