Abstract: " Risk of tax "is a kind of risk that deserves to mention in the business enterprise's risk management.A large business enterprise that lacks of consciousness of guarding against the risk of tax often can't solve the problem of paying tax by law and making tax planning correctly.According to the tax puzzle of business enterprise,the article analyzes its reason,raises a counter-measure to build a platform to guard against the risk of tax,in order to avoid the risk of tax;at the same time,the platform's opera...