Abstract: This paper summarized the main tax types of iron ore in China,Australia,Russia,Cameroon,Brazil,India and South Africa,compared with Rio Tinto,BHP Billiton,CVRD and FMG,the China's iron ore enterprises' tax burden rate is higher about 6%,concluded that unreasonable mining industry orientation,high resource tax and value-added tax rates,and the special taxes of local government are the main reasons to the difference.Finally,the authors put forward five suggestions on how to reduce the tax burden of mining enterprises.