Financial ratios are mathematical comparisons of financial statement accounts or categories. These relationships between the financial statement accounts help investors, creditors, and internal company management understand how well a business is performing and areas of needing improvement. The objective of this paper is to examine what the relationship between Financial Ratio of listed companies and Tax Avoidance. This paper is research to find out what is motivation of tax avoidance activity through listed companies financial characters of Financial Ratio Analyses. Based on the previous study that tax avoidance is one of the causes of the difference between book income and taxable income, so Desai and Dharmapala(2006) measured tax avoidance from book-tax differences(BTD).Utilizing a sample of 37 Financial Ratio of firms, the results show considerable cross-sectional variation in tax avoidance. First, we found that fixed assets turnover, labor equipment ratio, non-current liabilities ratio, and net income to total asset ratio significantly positive(+) affected tax avoidance, on the other hand net worth growth rate significantly negative(-) affected tax avoidance. The result of research showed that profitability ratio, safety and liquidity ratio, productivity ratio, activity ratio are higher then companies act aggressive tax avoidance activity to save taxes. Second, we found that aggressive tax avoidance(HIGH TS) firms significantly positive(+) effected profitability ratio, productivity ratio. On the other hand, passive tax avoidance(LOW TS) firms significantly negative(-) affected growth rate.This paper shows to examine what the relationship between Financial Ratio of listed companies and Tax Avoidance. Even though I had methodology limitations, the contribution of this paper is to investigate an empirical study relationship between Financial Ratio Analyses(37 financial ratio factor) and tax avoidance. These relationships between the financial statement accounts and tax avoidance help government, researchers, investors, creditors, and internal company management understand how well a business is performing and areas of needing improvement.